CVE-2023-53932

Serendipity 2.4.0 Stored Cross-Site Scripting via Admin Entry Creation

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

s9y · Serendipity

CVSS v4.0 VULNCHECK

5.1 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 NVD

5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS

0.24% chance of exploitation in the next 30 days, 15th percentile

Published

2025-12-17

Updated

2026-04-07

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/51373

Security advisories

• https://www.vulncheck.com/advisories/serendipity-stored-cross-site-scripting-via-admin-en…
• https://docs.s9y.org

References

• CVE Record
• NVD entry