CVE-2021-28001

MediumCVSS 5.4/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 19, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-28001: Medium severity, CVSS 5.4 | Vulnix