Vulnerability · Published May 27, 2026 · Assigned by Wordfence
CVE-2026-7614Old Posts Highlighter <= 1.0.3 - Cross-Site Request Forgery to Settings Update
Medium 4.3
In plain English
A medium-severity cross-site request forgery in Old Posts Highlighter from mkhfr. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).
Official description
The Old Posts Highlighter plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0.3. This is due to missing or incorrect nonce validation on the OPH_options function. This makes it possible for unauthenticated attackers to update the plugin's configuration settings without authorization via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| mkhfr | Old Posts Highlighter | 0 – through 1.0.3 |
Weakness: CWE-352 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/c186d5eb-abc2-47bd-9d3c-2b2f24d2f87e?source=cve
- https://plugins.trac.wordpress.org/browser/old-posts-highlighter/trunk/OPH_admin.php#L37
- https://plugins.trac.wordpress.org/browser/old-posts-highlighter/tags/1.0.3/OPH_admin.php#L37
- https://plugins.trac.wordpress.org/browser/old-posts-highlighter/trunk/OPH_admin.php#L163
- https://plugins.trac.wordpress.org/browser/old-posts-highlighter/tags/1.0.3/OPH_admin.php#L163