CVE-2021-24366 - CVE House
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Status published Unknown CVE-2021-24366

Admin Columns Free < 4.3 & Pro < 5.5.1 - Admin+ Stored XSS in Label

Vulnerability Description

The Admin Columns WordPress plugin before 4.3 and Admin Columns Pro WordPress plugin before 5.5.1 do not sanitise and escape its Label settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

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

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Daniel Elkabes of WhiteSource
  • WPScan

References

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Affected Vendor

Affected Software

Admin Columns, Admin Columns Pro
Vulnerable Versions:
3.0, 0

Timeline

Official Publish: June 21st, 2021
Last Modified: May 5th, 2025
Added to House: July 21st, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.