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Permalink Manager Lite <= 2.6.1 - Authenticated (Author+) Stored Cross-Site Scripting via Post Slug

6.4MediumCNA
Exploited
No known exploitation
Fix
No fix listed
Who is exposed
Not reported
Published
Last modified
0.19% · 9th percentile
14/100 · provisional
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

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.

Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.

Read the original 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.

cve.now Index

14Pcve.now Index 14 of 100 · methodology v3 · provisional
  • Exploitation0/40No signal
  • Exposure3/25Reachable over the network · Unknown: No advisory context yet
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity6.4/10CVSS 6.4
  • No patch5/5No patch listed yet

What would change the score

  • Would score about 69 if added to CISA KEV
  • Would score about 64 if CISA's SSVC rates exploitation active
  • Would score about 33 if advisories confirm default setups are exposed

Timeline

  1. CVE published
  2. First seen by cve.now
  3. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  4. Record last updated

Affected versions

  • mbis Permalink Manager Lite

    through 2.6.1

Evidence 5

  1. Link
  2. Link
  3. Link
  4. Link
  5. Link

Corrections

None so far.

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Questions about CVE-2026-122222

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: cve.now feed data

Which versions are affected by CVE-2026-122222?

Permalink Manager Lite: through 2.6.1.Source: cve.now feed data