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

Advisories

severity: medium
date: December 17, 2025
Affecting: Textpattern CMS 4.8.8
CVE: CVE-2023-53911
CWE: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSS: 5.1
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
References: ExploitDB-51523
Official Product Webpage
Credit: tmrswrr
Description: 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.