Server-Side Request Forgery in Eventin WordPress Plugin
CVE-2026-13176

2.7LOW

Key Information:

Vendor

WordPress
Status
Eventin
Vendor
CVE Published:
21 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-13176?

The Eventin WordPress plugin prior to version 4.1.21 has a significant vulnerability where it fails to validate user-provided webhook URLs associated with events. This oversight allows users with contributor-level access or higher to send concealed server-side requests to any external server, potentially leading to unauthorized data exposure and malicious interactions with third-party systems.

Affected Version(s)

Eventin 0 < 4.1.21

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-13176 - Proof of Concept

References

https://wpscan.com/vulnerability/41bd0919-6ed3-4280-9657-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
2.7
Severity:
LOW
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Yaswanth Reddy Sunkara
WPScan
.