Unauthenticated Cross Site Scripting in Classified Listing by PatchStack
CVE-2026-42658

7.1HIGH

Key Information:

Vendor

WordPress
Status
Classified Listing
Vendor
CVE Published:
15 June 2026

What is CVE-2026-42658?

The Classified Listing plugin, used widely on WordPress sites, is susceptible to a serious unauthenticated Cross Site Scripting (XSS) vulnerability in versions up to 5.3.8. If exploited, attackers could inject malicious scripts, potentially compromising user data and site integrity. Website owners are urged to upgrade to patched versions promptly to mitigate the risks associated with this vulnerability.

Affected Version(s)

Classified Listing <= 5.3.8

References

https://patchstack.com/database/wordpress/plugin/classifi...
vdb-entry

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

endy | Patchstack Bug Bounty Program
.