WordPress plugin
Ad Inserter <= 2.4.21 — Authenticated Remote Code Execution
CVE-2019-15324Published · Updated Action summary
Affected: ≤2.4.21Update to 2.4.22 or newer
All remediation steps- Severity
- High8.8
- CVSS
- 8.8CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:LPrivileges required- Low
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:HIntegrity- High
A:HAvailability- High
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Ad Inserter – Ad Manager & AdSense Ads ad-inserter
- Affected≤ 2.4.21
- Patched in2.4.22
Update to 2.4.22 or newer.
You are affected if you run ≤ 2.4.21. Version 2.4.22 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Ad Inserter – Ad Manager & AdSense Ads.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 2.4.22, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Ad Inserter – Ad Manager & AdSense Ads to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Sean Murphy.
The ad-inserter plugin before 2.4.22 for WordPress has remote code execution.
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 Ad Inserter – Ad Manager & AdSense Ads
All 29| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.5 | Unauthenticated Arbitrary Shortcode Execution via 's' Search Parameter ≤2.8.19Update to 2.8.20 | CVE-2026-102905 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting ≤2.8.19Update to 2.8.20 | CVE-2026-105077 | |
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting ≤2.8.18Update to 2.8.19 | CVE-2026-118094 | |
| Medium6.1 | Reflected Cross-Site Scripting ≤2.8.18Update to 2.8.19 | CVE-2026-114709 | |
| Medium6.1 | Reflected Cross-Site Scripting ≤2.8.18Update to 2.8.19 | CVE-2026-114194 |
- Medium6.5Unauthenticated Arbitrary Shortcode Execution via 's' Search Parameter
≤2.8.19Update to 2.8.20
- High7.2Unauthenticated Stored Cross-Site Scripting
≤2.8.19Update to 2.8.20
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤2.8.18Update to 2.8.19
- Medium6.1Reflected Cross-Site Scripting
≤2.8.18Update to 2.8.19
- Medium6.1Reflected Cross-Site Scripting
≤2.8.18Update to 2.8.19
Timeline
CVE published
Severity high, CVSS 8.8
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.
