CVE-2023-53911

Textpattern CMS 4.8.8 Authenticated Stored Cross-Site Scripting via Article Excerpt

Textpattern CMS 4.8.8 contains a stored cross-site scripting vulnerability in the article excerpt field that allows authenticated users to inject malicious scripts. Attackers can insert JavaScript payloads into the excerpt, which will execute when the article is viewed by other users.

Affected

Tmrswrr · Textpattern CMS

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

0.31% chance of exploitation in the next 30 days, 23rd percentile

Published

2025-12-17

Updated

2026-07-28

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/51523

Security advisories

• https://www.vulncheck.com/advisories/textpattern-cms-authenticated-stored-cross-site-scri…
• https://textpattern.com

References

• CVE Record
• NVD entry