CVE-2026-108900

Exponent CMS XML-RPC xmlrpc.php userLogin sql injection

State: Published
Severity: 6.9 Medium
Published: Oct 12, 2026
Updated: Oct 15, 2026
Reserved: Oct 11, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	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	VulDB
3.1	7.3 High	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	VulDB
3.0	7.3 High	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	VulDB
2.0	7.5 High	AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C	VulDB

Weaknesses

CWE-89 SQL Injection
CWE-74 Injection

Affected Products

Product	Versions
CMSExponent	3.0.2patch1Affected 3.0.2patch2Affected

References

VDB-416691 | Exponent CMS XML-RPC xmlrpc.php userLogin sql injectionvdb-entrytechnical-description
VDB-416691 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
CVE-2026-108900 | CVE Analysis and Reportthird-party-advisory
Submit #976950 | Exponentcms Exponent CMS ≤3.0.2 SQL Injectionthird-party-advisory
https://github.com/dddwmr/CVE/blob/main/SQL%20Injection%20in%20xmlrpc.php%20userLogin%20username%20handling%20when%20USE_XMLRPC%20is%20enabled.mdexploit

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