CVE-2026-108900
MEDIUM 6.9A vulnerability has been found in Exponent CMS up to 3.0.2patch2. Affected is the function userLogin of the file xmlrpc.php of the component XML-RPC. Such manipulation leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
No known exploitation, public exploit, or elevated probability at this time. Track for changes.
Exploitation likelihood
0.3%chance of exploitation in 30 days · 17th percentile
Impact if exploited
6.9CVSS 4.0 · MEDIUM
- ConfidentialityLow
- IntegrityLow
- AvailabilityLow
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ✓Privileges: No account or privileges required
- ✓User interaction: No user interaction needed
- ✓Complexity: No special conditions — reliably repeatable
- ✓Requirements: No special attack requirements
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept
No public PoC is currently catalogued.
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Data snapshot:
Weakness (CWE)
- CWE-89: SQL Injection
- CWE-74: Injection
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
References and research data (JSON)
All CVSS metrics
- MEDIUM 6.9 v4.0 · CNA Primary
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P - HIGH 7.3 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C - HIGH 7.3 v3.0 · CNA Primary
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C - HIGH 7.5 v2.0 · CNA Primary
AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C - MEDIUM 5.5 v4.0 · NVD Secondary
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - HIGH 7.3 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - HIGH 7.5 v2.0 · NVD Secondary
AV:N/AC:L/Au:N/C:P/I:P/A:P
References
Exploit-tagged references (not proof of a PoC)
- https://github.com/dddwmr/CVE/blob/main/SQL%20Injection%20in%20xmlrpc.php%20userLogin%20username%20handling%20when%20USE_XMLRPC%20is%20enabled.md CVE record · VulDB · Updated 2026-10-12T15:30:19.217Z
NVD · CVE-2026-108900 · Updated 2026-10-15T16:17:39.460
Advisories
- https://vuldb.com/cve/CVE-2026-108900 CVE record · VulDB · Updated 2026-10-12T15:30:19.217Z
NVD · CVE-2026-108900 · Updated 2026-10-15T16:17:39.460 - https://vuldb.com/submit/976950 CVE record · VulDB · Updated 2026-10-12T15:30:19.217Z
NVD · CVE-2026-108900 · Updated 2026-10-15T16:17:39.460 - https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-97502 EUVD · EUVD-2026-97502
Technical & other
- https://vuldb.com/vuln/416691 CVE record · VulDB · Updated 2026-10-12T15:30:19.217Z
NVD · CVE-2026-108900 · Updated 2026-10-15T16:17:39.460 - https://vuldb.com/vuln/416691/cti CVE record · VulDB · Updated 2026-10-12T15:30:19.217Z
NVD · CVE-2026-108900 · Updated 2026-10-15T16:17:39.460