CVE-2021-28002

MEDIUM

Textpattern CMS 4.9.0 - XSS

Title source: llm

Description

A persistent cross-site scripting vulnerability was discovered in the Excerpt parameter in Textpattern CMS 4.9.0 which allows remote attackers to execute arbitrary code via a crafted payload entered into the URL field. The vulnerability is triggered by users visiting the 'Articles' page.

Exploits (1)

exploitdb WORKING POC
by Tushar Vaidya · textwebappsphp
https://www.exploit-db.com/exploits/49617

References (2)

Scores

CVSS v3 5.4
EPSS 0.0023
EPSS Percentile 45.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
textpattern/textpattern 4.9.0
Published Aug 19, 2021
Tracked Since Feb 18, 2026