Widget Options – Advanced Conditional Visibility for Gutenberg Blocks & Classic Widgets <= 4.2.5 — Authenticated (Author+) Remote Code Execution
CVE-2026-116852Published · Updated Action summary
Affected: ≤4.2.5Update to 4.2.6 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?
Widget Options – Advanced Conditional Visibility for Gutenberg Blocks & Classic Widgets widget-options
- Affected≤ 4.2.5
- Patched in4.2.6
Update to 4.2.6 or newer.
You are affected if you run ≤ 4.2.5. Version 4.2.6 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Widget Options – Advanced Conditional Visibility for Gutenberg Blocks & Classic Widgets.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 4.2.6, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Widget Options – Advanced Conditional Visibility for Gutenberg Blocks & Classic Widgets to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to sanghyeok Kim.
The Widget Options – Advanced Conditional Visibility for Gutenberg Blocks & Classic Widgets plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.2.5. This is due to insufficient validation of user supplied input before it is executed. This makes it possible for authenticated attackers, with author-level access and above, to execute arbitrary code on the server.
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 Widget Options – Advanced Conditional Visibility for Gutenberg Blocks & Classic Widgets
All 11| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High8.8 | Authenticated (Contributor+) Code Injection via 'post_content' Parameter ≤4.2.6.1Update to 4.2.7 | CVE-2026-116615 | |
| High8.8 | Authenticated (Contributor+) Remote Code Execution ≤4.2.3Update to 4.2.4 | CVE-2026-54823 | |
| High8.8 | Authenticated (Contributor+) Remote Code Execution via Display Logic ≤4.2.2Update to 4.2.3 | CVE-2026-2052 | |
| High8.8 | Authenticated (Contributor+) Remote Code Execution ≤4.1.3Update to 4.2.0 | CVE-2026-27984 | |
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting ≤4.1.2Update to 4.1.3 | CVE-2025-10580 |
- High8.8Authenticated (Contributor+) Code Injection via 'post_content' Parameter
≤4.2.6.1Update to 4.2.7
- High8.8Authenticated (Contributor+) Remote Code Execution
≤4.2.3Update to 4.2.4
- High8.8Authenticated (Contributor+) Remote Code Execution via Display Logic
≤4.2.2Update to 4.2.3
- High8.8Authenticated (Contributor+) Remote Code Execution
≤4.1.3Update to 4.2.0
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤4.1.2Update to 4.1.3
Timeline
CVE published
Severity high, CVSS 8.8
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- [object Object]. 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.