XSS in S9y Serendipity
CVE-2023-53932
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (14.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- S9y Serendipity — versions 2.4.0
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/51373 (Exploit, VDB Entry, Third Party Advisory, exploit)
- docs.s9y.org/ (Product, product)
- www.vulncheck.com/advisories/serendipity-stored-cross-site-scripting-via-admin-… (Exploit, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2023-53932?
- CVE-2023-53932 is a medium-severity vulnerability in S9y Serendipity, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-12-17.
- How severe is CVE-2023-53932?
- Medium severity. CVSS v3 base score is 5.4 out of 10.