Vulnerability · Published Dec 17, 2025 · Assigned by VulnCheck
CVE-2023-53932Serendipity 2.4.0 Stored Cross-Site Scripting via Admin Entry Creation
Medium 5.4
In plain English
A medium-severity cross-site scripting in Serendipity from s9y. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.2%top 84.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| s9y | Serendipity | 2.4.0 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
References
- ExploitDB-51373 exploit
- Official Product Homepage product
- VulnCheck Advisory: Serendipity 2.4.0 Stored Cross-Site Scripting via Admin Entry Creation third-party-advisory