Skip to main content
← All vulnerabilities
CVE-2026-7015

MaxSite CMS Guestbook Plugin cross site scripting

Published
Last modified
published
Not listed in CISA KEV
Fix
Fix or patch referenced
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: partial

Summary

A vulnerability has been found in MaxSite CMS up to 109.3. This issue affects some unknown processing of the component Guestbook Plugin. Such manipulation of the argument f_text/f_slug/f_limit/f_email leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 109.4 is capable of addressing this issue. The name of the patch is 8a3946bd0a54bfb72a4d57179fcd253f2c550cd7. It is suggested to upgrade the affected component. The vendor was informed early about this issue. They classify it as a "Self-XSS". They deployed a countermeasure: "Nevertheless, we consider this a violation of secure coding standards. The lack of filtering via `htmlspecialchars()` has already been fixed in the latest patch to prevent incorrect data display."

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • MaxSite CMS

    109.0, 109.1, 109.2, 109.3

References 7

VulDB

GitHub · wnaspy/CVE

GitHub · maxsite/cms