CVE-2026-108900: Exponent CMS XML-RPC xmlrpc.php userLogin sql injection

Severity: high (CVSS 7.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-12 · updated 2026-10-15
Weakness: CWE-74

Description

A 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.

Affected products

Exponent CMS: 3.0.2patch1, 3.0.2patch2

References

https://github.com/dddwmr/CVE/blob/main/SQL%20Injection%20in%20xmlrpc.php%20userLogin%20username%20handling%20when%20USE_XMLRPC%20is%20enabled.md
https://vuldb.com/cve/CVE-2026-108900
https://vuldb.com/submit/976950
https://vuldb.com/vuln/416691
https://vuldb.com/vuln/416691/cti

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