CVE-2026-13176 PUBLISHED

Eventin < 4.1.21 - Contributor+ Server-Side Request Forgery

Assigner: WPScan
Reserved: 24.06.2026 Published: 21.08.2026 Updated: 21.08.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
CVSS Score: 2.7

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	High	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Unknown
Product	Eventin
Versions	Default: unaffected affected from 0 to 4.1.21 (excl.)

Credits

Yaswanth Reddy Sunkara finder
WPScan coordinator

References

https://wpscan.com/vulnerability/41bd0919-6ed3-4280-9657-8114c1b2a0e7/

Problem Types

CWE-918 Server-Side Request Forgery (SSRF) CWE