CVE-2026-17608

The WP Compress – Instant Performance & Speed Optimization plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 7.10.09. This is due to missing or incorrect nonce validation on the (top-level template code) function. This makes it possible for unauthenticated attackers to delete arbitrary WordPress options, including critical ones such as siteurl, home, active_plugins, template, and stylesheet, causing site outage or a full plugin and theme reset via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

• CWE-352

• https://plugins.trac.wordpress.org/browser/wp-compress-image-optimizer/tags/7.10.03/classes/menu.class.php#L239
• https://plugins.trac.wordpress.org/browser/wp-compress-image-optimizer/tags/7.10.03/classes/menu.class.php#L335
• https://plugins.trac.wordpress.org/browser/wp-compress-image-optimizer/tags/7.10.03/templates/admin/advanced_settings_v4.php#L2378
• https://plugins.trac.wordpress.org/browser/wp-compress-image-optimizer/tags/7.10.03/templates/admin/debug_tool.php#L550
• https://plugins.trac.wordpress.org/browser/wp-compress-image-optimizer/tags/7.10.03/templates/admin/debug_tool.php#L551
• https://plugins.trac.wordpress.org/changeset?reponame=&old=3641964%40wp-compress-image-optimizer&new=3641964%40wp-compress-image-optimizer
• https://www.wordfence.com/threat-intel/vulnerabilities/id/67013cc9-c20f-4137-9a4d-e7d700899131?source=cve

Published

Aug 16, 2026

Last Modified

Aug 20, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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