CVE-2023-53936 Cameleon CMS 2.7.4 Authenticated Persistent Cross-Site Scripting via Post Creation

What is CVE-2023-53936?

CVE-2023-53936 is a medium-severity cross-site scripting vulnerability in tuzitio Cameleon CMS, published on 18 Dec 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Cameleon CMS 2.7.4 contains a persistent cross-site scripting vulnerability that allows authenticated administrators to inject malicious scripts into post titles. Attackers can create posts with embedded SVG scripts that execute when other users mouse over the post title, potentially stealing session cookies and executing arbitrary JavaScript.

Weakness: CWE-79

Which versions are affected by CVE-2023-53936?

It affects 1 product.

Products include Tuzitio Camaleon Cms.

How do I fix CVE-2023-53936?

No fix has been published for CVE-2023-53936 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-2023-53936 being exploited?

There is no known exploitation of CVE-2023-53936 in the wild and no public exploit code.

Other vulnerabilities in tuzitio Cameleon CMS

• CVE-2024-46986 Arbitrary file write leading to RCE in Camaleon CMS Critical 10.0
• CVE-2023-30145 Server-Side Template Injection in Camaleon CMS Critical 9.8
• CVE-2021-25970 Camaleon CMS - Insufficient Session Expiration after Password Change High 8.8
• CVE-2024-46987 Arbitrary path traversal in Camaleon CMS High 7.7
• CVE-2021-25969 Camaleon CMS - Stored Cross-Site Scripting (XSS) in Comments Medium 6.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-492m-wpjc-qpc3.