CVE-2026-13176

Eventin < 4.1.21 - Contributor+ Server-Side Request Forgery

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.

Affected

Eventin

CVSS v3.1 WPSCAN

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

EPSS

0.33% chance of exploitation in the next 30 days, 24th percentile

Published

2026-08-21

Proof-of-concept exploits (1)

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

References

• CVE Record
• NVD entry