Admin Columns Free < 4.3 and Pro < 5.5.1 Stored Cross-Site Scripting
CVE-2021-24366Published · Updated Action summary
Admin Columns: Affected: ≤4.2Update to 4.3 or newer
Admin Columns Pro: Affected: <5.5.1Update to 5.5.1 or newer
All remediation steps- Severity
- Medium5.4
- CVSS
- 5.4CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:LPrivileges required- Low
UI:RUser interaction- Required
S:CScope- Changed
C:LConfidentiality- Low
I:LIntegrity- Low
A:NAvailability- None
- Weakness
- CWE-79 Cross-Site Scripting
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Admin Columns codepress-admin-columns
- Affected≤ 4.2
- Patched in4.3
Update to 4.3 or newer.
You are affected if you run ≤ 4.2. Version 4.3 and later are not affected by this issue.
Admin Columns Pro admin-columns-pro
- Affected< 5.5.1
- Patched in5.5.1
Update to 5.5.1 or newer.
You are affected if you run < 5.5.1. Version 5.5.1 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Admin Columns.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 4.3, or a newer patched version
- Update to version 5.5.1, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Admin Columns to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Daniel Elkabes.
The Admin Columns Free WordPress plugin before 4.3 and Admin Columns Pro WordPress plugin before 5.5.1, rendered input on the posted pages with improper input validation on the value passed into the field 'Label' parameter, by taking this as an advantage an authenticated attacker can supply a crafted arbitrary script and execute it.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in Admin Columns
All 3| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High8.8 | Authenticated (Contributor+) PHP Object Injection to Remote Code Execution via Custom Field Meta Value ≤7.0.18Update to 7.0.19 | CVE-2026-7654 | |
| Medium5.4 | Admin Columns Free < 4.3.2 and Pro < 5.5.2 Authenticated Stored Cross-Site Scripting <4.3.2Update to 4.3.2 | CVE-2021-24365 |
- High8.8Authenticated (Contributor+) PHP Object Injection to Remote Code Execution via Custom Field Meta Value
≤7.0.18Update to 7.0.19
- Medium5.4Admin Columns Free < 4.3.2 and Pro < 5.5.2 Authenticated Stored Cross-Site Scripting
<4.3.2Update to 4.3.2
Same weakness (Cross-Site Scripting)
All Cross-Site Scripting| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header | CVE-2026-120688 | |
| Critical9.8 | Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission | CVE-2026-125055 | |
| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
| Medium5.3 | Unauthenticated Sensitive Information Exposure in 'search' Parameter | CVE-2026-121518 |
- High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup
≤5.25.25Update to 5.26.45
- Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder
≤1.0.2Update to 1.1
- Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System
≤3.3.9Update to 3.4.0
- Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce
≤5.127.0Update to 5.128.0
Timeline
CVE published
Severity medium, CVSS 5.4
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.