CVE-2021-28001 - CVE House
Back to Database
Status published Medium CVE-2021-28001

A cross-site scripting vulnerability was discovered in the Comments parameter...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-28001

Credits & Attribution

No credits recorded in the NVD database.

References

More from textpattern

View All →
CVE-2021-44082
textpattern 4.8.7 is vulnerable to Cross Site Scripting (XSS) via...
High 8.3
CVE-2021-40658
Textpattern 4.8.7 is affected by a HTML injection vulnerability through...
Medium 4.8
CVE-2021-40642
Textpattern CMS v4.8.7 and older vulnerability exists through Sensitive Cookie...
Medium 4.3
CVE-2021-30209
Textpattern V4.8.4 contains an arbitrary file upload vulnerability where a...
Medium 6.5
CVE-2021-28002
A persistent cross-site scripting vulnerability was discovered in the Excerpt...
Medium 5.4

Affected Vendor

textpattern

View all reports →

Affected Software

textpattern
Vulnerable Versions:
4.8.4

Timeline

Official Publish: August 19th, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.