CVE-2021-28001

MEDIUM

Textpattern CMS 4.8.4 - XSS

Title source: llm

Description

A cross-site scripting vulnerability was discovered in the Comments parameter in Textpattern CMS 4.8.4 which allows remote attackers to execute arbitrary code via a crafted payload entered into the URL field. The vulnerability is triggered by users visiting https://site.com/articles/welcome-to-your-site#comments-head.

Exploits (1)

exploitdb WORKING POC

by Tushar Vaidya · textwebappsphp

https://www.exploit-db.com/exploits/49616

View Code ZIP pw:eip

References (1)

[Exploit, Third Party Advisory, VDB Entry] https://www.exploit-db.com/exploits/49616

Scores

CVSS v3 5.4

EPSS 0.0034

EPSS Percentile 56.9%

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 4.8.4

Published Aug 19, 2021

Tracked Since Feb 18, 2026