CVE-2023-53932 Serendipity 2.4.0 Stored Cross-Site Scripting via Admin Entry Creation

Medium 5.1 Published Updated

Authenticated attackers can inject malicious scripts via blog entries, leading to script execution in other users' browsers.

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-2023-53932?

CVE-2023-53932 is a medium-severity cross-site scripting vulnerability in S9y Serendipity, published on 17 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

Serendipity 2.4.0 contains a stored cross-site scripting vulnerability that allows authenticated users to inject malicious scripts through blog entry creation. Attackers can craft entries with JavaScript payloads that will execute when other users view the compromised blog post.

Weakness: CWE-79

Which versions are affected by CVE-2023-53932?

It affects 1 product.

Products include S9y Serendipity.

How do I fix CVE-2023-53932?

No fix has been published for CVE-2023-53932 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-2023-53932 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53932 exists.

All S9y Serendipity vulnerabilities

Sources

Also known as GHSA-j8xx-87x5-273w.

Is CVE-2023-53932 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free