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

CWE-79

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

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

Timeline

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

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