CVE-2026-13176 - Before 4 Plugin
CVE-2026-13176
The Eventin WordPress plugin before 4.1.21 does not validate a user-supplied webhook URL stored on events nor verify event ownership, allowing users with contributor-level access and above to trigger blind server-side requests to arbitrary hosts.
CVE-2026-13176
LOW
CVSS 2.7
Published 2026-08-21
Updated 2026-08-21
AI Risk Low (24/100)
Active Exploit: No strong signal
Published Exploit: No public exploit references
Priority: P5 Monitor
Severity Band
LOW
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Affected Components
2
Reference Links
1
AI Risk Engine
Low (24/100)
Exploitability
Low
Active Exploitation
No strong signal
Published Exploit Status
No public exploit references
AI Context
Machine-generated threat intelligence
AI
Updated 1 hour ago
AI enriched 1 hour ago (2026-08-21 20:35 UTC)
Technical Summary
The Eventin WordPress plugin before 4.1.21 does not validate a user-supplied webhook URL stored on events nor verify event ownership, allowing users with contributor-level access and above to trigger blind server-side requests to arbitrary hosts.
Potential Impact
Severity is LOW (CVSS 2.7). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.
Exploitability Assessment
Exploitability is assessed as Low based on severity and technical exposure profile.
Primary risk drivers: severity and technical exposure profile
Mitigation Recommendations
Validate affected product versions, prioritize patching, and monitor references for vendor remediation guidance. If immediate patching is not possible, apply compensating controls and limit exposure of vulnerable surfaces.
Detection & Monitoring
Track authentication anomalies, unexpected file writes, and suspicious plugin API activity around affected components.
Business Impact Lens
AI risk score 24/100 (Low, Low) with priority P5 Monitor. Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.