CVE-2026-0688

MEDIUM EPSS 10.1%
Published Apr 2, 20262mo ago · Modified Jun 17, 20261w ago
6.4 CVSS 3.1
Medium
Find Similar
Published Apr 2, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

The Webmention plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 5.6.2 via the 'Tools::read' function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

CVSS Details

Base Score
6.4
Exploitability
3.1
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
10.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-918 Server-Side Request Forgery (SSRF) Validation

References 4

  • github.com https://github.com/pfefferle/wordpress-webmention/blob/057223cee18a9e93b017d0f21db6ea77a7686489/includes/class-tools.php#L81
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/webmention/tags/5.6.2/includes/class-tools.php#L81
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3494831/webmention
  • wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/02c9beba-dfa5-4a30-8355-62ff9a2630f7?source=cve

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.