Medium severity · published Sep 30, 2026
CVE-2026-93464
A stored cross-site scripting vulnerability via custom content descriptions exists in baserCMS
5.4
CVSS
0.1%
EPSS
No
On KEV
Description
A stored cross-site scripting vulnerability via custom content descriptions exists in baserCMS. If this vulnerability is exploited, an arbitrary script may be executed in the user's web browser.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BA
baserCMS · baserCMS User Community
before 5.4.1; before 5.3.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-93464
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-93464
jvn.jp
https://jvn.jp/en/jp/JVN14353754
basercms.net
https://basercms.net/security/JVN_14353754
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