High severity · published Oct 12, 2026
CVE-2026-108900
Exponent CMS XML-RPC xmlrpc.php userLogin sql injection
7.3
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CM
CMS · Exponent
3.0.2patch1; 3.0.2patch2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-108900
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-108900
vdb-entry
https://vuldb.com/vuln/416691
signature
https://vuldb.com/vuln/416691/cti
third-party-advisory
https://vuldb.com/cve/CVE-2026-108900
third-party-advisory
https://vuldb.com/submit/976950
exploit
https://github.com/dddwmr/CVE/blob/main/SQL%20Injection%20in%20xmlrpc.php%20userLogin%20username%20handling%20when%20USE_XMLRPC%20is%20enabled.md