Arbitrary Options Manipulation in User Activity Log Plugin by WordPress
CVE-2025-13471

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
User Activity Log
Vendor
CVE Published:
28 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-13471?

The User Activity Log WordPress plugin, up to version 2.2, contains a vulnerability that inadequately manages failed login attempts. This flaw allows unauthenticated users to manipulate specific settings, such as enabling User Registration even when it is disabled. This unintended access can lead to unauthorized configuration alterations, compromising the website's intended functionality and security.

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Affected Version(s)

User Activity Log 0 <= 2.2

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-2025-13471 - Proof of Concept

References

https://wpscan.com/vulnerability/cc8743f5-b1b9-4f88-b440-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Alex Tselevich (nos3curity)
WPScan
JSON
.