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

Status: published. Published: 2026-11-06. Updated: 2026-11-06.

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.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- mbis / Permalink Manager Lite: ≥ 0; ≤ 2.6.1 (affected, semver). Source: CNA: Wordfence

## Severity and prioritization

- CVSS 3.1: 6.4 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N; source: CNA: Wordfence

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-79

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/e618a3ca-e9de-47b7-bb86-b9493006d831?source=cve (CNA: Wordfence)

- https://plugins.trac.wordpress.org/browser/permalink-manager/tags/2.6.1/includes/views/permalink-manager-uri-editor-post.php#L147 (CNA: Wordfence)

- https://plugins.trac.wordpress.org/browser/permalink-manager/tags/2.6.1/includes/views/permalink-manager-uri-editor-post.php#L274 (CNA: Wordfence)

- https://plugins.trac.wordpress.org/changeset/3784964#file37 (CNA: Wordfence)

- https://plugins.trac.wordpress.org/changeset/3784964/permalink-manager/trunk/includes/views/permalink-manager-uri-editor-post.php (CNA: Wordfence)

## Provenance

- CNA: Wordfence: https://www.cve.org/CVERecord?id=CVE-2026-122222; retrieved 2026-11-06; source updated 2026-11-06

Revision: e745ebb2b5d45d18ef35ee8818c3c4eb45fd0d7a18429be2c788e8870f4432a8

Canonical: https://y2.dev/cve/CVE-2026-122222

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.