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CVE-2026-113657

LOW 3.7

Published 2026-10-20 · Last modified 2026-10-20

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. From sanitize-html 2.17.7 until 2.18.0, an application configuration that permits namespace-prefixed SVG animation elements and the relevant URL-targeting attributes can bypass the SMIL URL protection because prefixed tag names do not match the unprefixed animation-element check. The bypass can rewrite a link destination to an unsafe URI after the sanitized SVG is rendered, with script execution occurring when a user activates the affected link; the default sanitizer configuration is not unconditionally affected. This issue is fixed in sanitize-html 2.18.0.

NO EXPLOITATION SIGNALS

No known exploitation, public exploit, or elevated probability at this time. Track for changes.

Exploitation likelihood

0.3%chance of exploitation in 30 days · 24th percentile

○ In CISA KEV ○ Catalogued PoC

Impact if exploited

3.7CVSS 3.1 · LOW

  • ConfidentialityLow
  • IntegrityLow
  • AvailabilityNone

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ⚠Privileges: Requires a low-privilege account
  • ⚠User interaction: A user must take an action (click / open a file)
  • ⚠Complexity: Needs a race window or specific setup

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

No public PoC is currently catalogued.

Search for new PoCs

Search GitHub now — results may be empty or unverified.

Tracked sources are checked daily for recent CVEs, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Data snapshot:

Affected

Vendors Apostrophecms

Products Apostrophe Sanitize Html

Weakness (CWE)

  • CWE-79: : Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N

References and research data (JSON)

Packages and version ranges

Each advisory describes its own package and affected ranges. A boundary applies to that range; it is not a universal upgrade recommendation.

  • sanitize-html npm

    pkg:npm/sanitize-html

    SEMVER range
    • Introduced version (included): 2.17.7
    • Fixed boundary (excluded): 2.18.0
    Additional upstream package constraints
    {
  "database": {
    "source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-374f-7chj-9948/GHSA-374f-7chj-9948.json"
  }
}
    GitHub Advisory Database · GHSA-374f-7chj-9948 · Updated 2026-10-20T18:30:03.591034807Z

Vendor product assessments

  • costmanagement/costmanagement-ui-rhel10 as a component of Cost Management On Premise · known affected

    Vendor assessment for this product only.

    pkg:oci/costmanagement-ui-rhel10@sha256:39700faac93e613fdd8139aed7b6dbb79a4d542f3f3cca6be04c4edce72eaf5d?repository_url=registry.redhat.io/costmanagement/costmanagement-ui-rhel10

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • none available: Fix deferred
    Red Hat · CVE-2026-113657 · Updated 2026-10-22T21:29:15+00:00
  • multicluster-engine/console-mce-rhel9 as a component of Multicluster Engine for Kubernetes · known affected

    Vendor assessment for this product only.

    pkg:oci/console-mce-rhel9@sha256:e25a8cf699de55aafdc6b644bc4c1b3405abdff5b669509d990f449ad17b1f51?repository_url=registry.redhat.io/multicluster-engine/console-mce-rhel9

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • none available: Fix deferred
    Red Hat · CVE-2026-113657 · Updated 2026-10-22T21:29:15+00:00
  • rhacm2/console-rhel9 as a component of Red Hat Advanced Cluster Management for Kubernetes 2 · known affected

    Vendor assessment for this product only.

    pkg:oci/console-rhel9@sha256:eea4b6716c64ce4cfee79fc2bbfbf744be82b31b9dc51a0623013fac56265294?repository_url=registry.redhat.io/rhacm2/console-rhel9

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • none available: Fix deferred
    Red Hat · CVE-2026-113657 · Updated 2026-10-22T21:29:15+00:00
  • cockpit-image-builder as a component of Red Hat Enterprise Linux 10 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/cockpit-image-builder

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • none available: Fix deferred
    Red Hat · CVE-2026-113657 · Updated 2026-10-22T21:29:15+00:00
  • cockpit-image-builder.src as a component of Red Hat Enterprise Linux 10 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/cockpit-image-builder?arch=src

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • none available: Fix deferred
    Red Hat · CVE-2026-113657 · Updated 2026-10-22T21:29:15+00:00
  • prometheus3.5.src as a component of Red Hat Hardened Images · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]?arch=src

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • none available: Fix deferred
    Red Hat · CVE-2026-113657 · Updated 2026-10-22T21:29:15+00:00
  • rhoai/odh-mlflow-rhel9 as a component of Red Hat OpenShift AI (RHOAI) · known affected

    Vendor assessment for this product only.

    pkg:oci/odh-mlflow-rhel9@sha256:4191f9c06ee97bc01d3749155c7cf8eb24de213948ea3517bc195b505c1e799b?repository_url=registry.redhat.io/rhoai/odh-mlflow-rhel9

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • none available: Fix deferred
    Red Hat · CVE-2026-113657 · Updated 2026-10-22T21:29:15+00:00
  • openshift4/ose-agent-installer-ui-rhel9 as a component of Red Hat OpenShift Container Platform 4 · known affected

    Vendor assessment for this product only.

    pkg:oci/ose-agent-installer-ui-rhel9@sha256:3c4e2bb4cab1817be07b8fb7f94bc884d8b5d30953c21c84339a412f303bc543?repository_url=registry.redhat.io/openshift4/ose-agent-installer-ui-rhel9

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • none available: Fix deferred
    Red Hat · CVE-2026-113657 · Updated 2026-10-22T21:29:15+00:00
  • openshift4/ose-console as a component of Red Hat OpenShift Container Platform 4 · known affected

    Vendor assessment for this product only.

    pkg:oci/ose-console@sha256:ae246b20d41e3463bb19180c11f75cb44b3dae3f3519aa97fe7ba24e07928270?repository_url=registry.redhat.io/openshift4/ose-console

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • none available: Fix deferred
    Red Hat · CVE-2026-113657 · Updated 2026-10-22T21:29:15+00:00
  • openshift4/ose-console-rhel9 as a component of Red Hat OpenShift Container Platform 4 · known affected

    Vendor assessment for this product only.

    pkg:oci/ose-console-rhel9@sha256:8638a1917f3ff065d34bd2529f093208fa5257d8fa621f2a42a95948ac2cb034?repository_url=registry.redhat.io/openshift4/ose-console-rhel9

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • none available: Fix deferred
    Red Hat · CVE-2026-113657 · Updated 2026-10-22T21:29:15+00:00
  • devspaces/dashboard-rhel9 as a component of Red Hat OpenShift Dev Spaces · known affected

    Vendor assessment for this product only.

    pkg:oci/dashboard-rhel9@sha256:bb5346516525fe025ae9cbf1fd3f227fb1cad71ae73ad58264a7e5ffb2931eb3?repository_url=registry.redhat.io/devspaces/dashboard-rhel9

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • none available: Fix deferred
    Red Hat · CVE-2026-113657 · Updated 2026-10-22T21:29:15+00:00
  • quay/quay-rhel8 as a component of Red Hat Quay 3 · known affected

    Vendor assessment for this product only.

    pkg:oci/quay-rhel8@sha256:f33464ccc07e05781c2ec093df7fd9093b5ab0aae6435c11d632cc1332a560ee?repository_url=registry.redhat.io/quay/quay-rhel8

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • no fix planned: Out of support scope
    Red Hat · CVE-2026-113657 · Updated 2026-10-22T21:29:15+00:00
  • quay/quay-rhel9 as a component of Red Hat Quay 3 · known affected

    Vendor assessment for this product only.

    pkg:oci/quay-rhel9@sha256:59726d934010c9215248cb30bd1ad084f03099c0138b8a3c2a3751b209683783?repository_url=registry.redhat.io/quay/quay-rhel9

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • none available: Fix deferred
    Red Hat · CVE-2026-113657 · Updated 2026-10-22T21:29:15+00:00
  • satellite/iop-advisor-frontend-rhel9 as a component of Red Hat Satellite 6 · known affected

    Vendor assessment for this product only.

    pkg:oci/iop-advisor-frontend-rhel9@sha256:5c98cd17bd4fe98b9a7f21b8dd285477e2262b53723351c607d957bfc422547c?repository_url=registry.redhat.io/satellite/iop-advisor-frontend-rhel9

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • none available: Fix deferred
    Red Hat · CVE-2026-113657 · Updated 2026-10-22T21:29:15+00:00
  • satellite/iop-host-inventory-frontend-rhel9 as a component of Red Hat Satellite 6 · known affected

    Vendor assessment for this product only.

    pkg:oci/iop-host-inventory-frontend-rhel9@sha256:7c39ecb6f63fa79890ec88707870eb2f665fa49de6e42eb5c41807044725933a?repository_url=registry.redhat.io/satellite/iop-host-inventory-frontend-rhel9

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • none available: Fix deferred
    Red Hat · CVE-2026-113657 · Updated 2026-10-22T21:29:15+00:00
  • satellite/iop-vulnerability-frontend-rhel9 as a component of Red Hat Satellite 6 · known affected

    Vendor assessment for this product only.

    pkg:oci/iop-vulnerability-frontend-rhel9@sha256:059b28a4878677f15bd8ae0f591df8605df1a23a1d97c59ccfa1c9c0a9cd36df?repository_url=registry.redhat.io/satellite/iop-vulnerability-frontend-rhel9

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • none available: Fix deferred
    Red Hat · CVE-2026-113657 · Updated 2026-10-22T21:29:15+00:00
  • prometheus3.13.src as a component of Red Hat Hardened Images · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/[email protected]?arch=src

    Red Hat · CVE-2026-113657 · Updated 2026-10-22T21:29:15+00:00

All CVSS metrics

  • LOW 3.7 v3.1 · CNA Primary
    CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
  • LOW 3.7 v3.1 · NVD Secondary
    CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N

References

Exploit-tagged references (not proof of a PoC)

Advisories

Technical & other

Sources: NVD · CVE.org · EPSS