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)

EPSS: 0.002 (11.2th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

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.