High severity · published Feb 27, 2026
CVE-2025-69437
PublicCMS v5.202506.d and earlier is vulnerable to stored XSS
8.7
CVSS
0.4%
EPSS
No
On KEV
Description
PublicCMS v5.202506.d and earlier is vulnerable to stored XSS. Uploaded PDFs can contain JavaScript payloads and bypass PDF security checks in the backend CmsFileUtils.java. If a user uploads a PDF file containing a malicious payload to the system and views it, the embedded JavaScript payload can be triggered, resulting in issues such as credential theft, arbitrary API execution, and other security concerns. This vulnerability affects all file upload endpoint, including /cmsTemplate/save, /file/doUpload, /cmsTemplate/doUpload, /file/doBatchUpload, /cmsWebFile/doUpload, etc.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PU
Publiccms · Publiccms
through 5.202506.d · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-69437
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-69437
Exploit
https://github.com/sanluan/PublicCMS/issues/103
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