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CVE-2026-12869

MEDIUM 6.1 PoC AVAILABLE

Published 2026-07-16 · Last modified 2026-07-16

The Header Footer Builder for Elementor WordPress plugin before 1.2.1 does not require an administrative capability for its dashboard template-import action (it allows any edit_posts user), so a Contributor can import a template containing an Elementor HTML widget configured to display site-wide, injecting JavaScript that executes in the session of any visitor or administrator who loads the site.

EXPLOIT AVAILABLE

Public exploit or PoC code exists. Modeled probability is still low, but the barrier to attack is reduced — watch closely.

Exploitation likelihood

0.1%chance of exploitation in 30 days · 5th percentile

○ In CISA KEV ● Public exploit / PoC

Impact if exploited

6.1CVSS 3.1 · MEDIUM

  • ConfidentialityLow
  • IntegrityLow
  • AvailabilityNone

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ✓Privileges: No account or privileges required
  • ⚠User interaction: A user must take an action (click / open a file)
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

Test against your own equipment

curl -s https://vulnpedia.com/cve/CVE-2026-12869/poc.jsonMachine-readable PoC index for this CVE (for automation).

Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-12869/poc.json

Affected

Vendors Unknown

Products Header Footer Builder For Elementor

Weakness (CWE)

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

CVSS vector

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

All CVSS metrics

  • MEDIUM 6.1 v3.1 · ADP Primary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • MEDIUM 6.1 v3.1 · NVD Secondary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References

Exploits & PoC

Sources: NVD · CVE.org · EPSS