What’s Vulnerable › Vulnerabilities

CVE-2026-7614: Old Posts Highlighter <= 1.0.3 - Cross-Site Request Forgery to Settings Update

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-27 · updated 2026-06-17
• Weakness: CWE-352

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

• mkhfr Old Posts Highlighter: through 1.0.3

References

• https://plugins.trac.wordpress.org/browser/old-posts-highlighter/tags/1.0.3/OPH_admin.php#L163
• 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/trunk/OPH_admin.php#L37
• https://www.wordfence.com/threat-intel/vulnerabilities/id/c186d5eb-abc2-47bd-9d3c-2b2f24d2f87e?source=cve

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