CVE-2025-69437 Cross-site scripting in n/a

High 8.7 Published 27 Feb 2026 Updated 27 Feb 2026

Attackers can inject JavaScript via malicious PDFs in PublicCMS, leading to credential theft and arbitrary API execution when victims view the files.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2025-69437?

CVE-2025-69437 is a high-severity cross-site scripting vulnerability in n/a, published on 27 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-79

Which versions are affected by CVE-2025-69437?

It affects 1 product.

Products include Publiccms Publiccms.

How do I fix CVE-2025-69437?

No fix has been published for CVE-2025-69437 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-69437 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-69437 exists.

Sources

Also known as GHSA-5vcj-3qv7-j6hw.