PT-2026-36588 · WordPress · Widget Options

Hung Nguyen + 1 · Published 2026-05-02 · Updated 2026-05-05 · CVE-2026-2052

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Widget Options – Advanced Conditional Visibility for Gutenberg Blocks & Classic Widgets versions prior to 4.2.3

Description Remote Code Execution is possible via the Display Logic feature. The issue arises because the plugin uses the eval() function on user-supplied Display Logic expressions with an insufficient blocklist/allowlist that can be bypassed using array map with string concatenation. Additionally, there is a lack of authorization enforcement on the extended widget opts block attribute. This allows authenticated attackers with Contributor-level access or higher to execute arbitrary code on the server.

Recommendations Update to a version later than 4.2.2.

Fix

RCE

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

CVE-2026-2052

Affected Products

Widget Options

References · 12

• https://nvd.nist.gov/vuln/detail/CVE-2026-2052 · Security Note
• https://plugins.trac.wordpress.org/changeset/3514411 · Note
• https://t.me/CVEtracker/52459 · Telegram Post
• https://t.me/cveNotify/161849 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2050520104190759080 · Twitter Post
• https://plugins.trac.wordpress.org/browser/widget-options/trunk/includes/widgets/gutenberg/gutenberg-toolbar.php#L843 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/68023557-fc92-4cf6-96b4-405ff5a5fd5a?source=cve · Note
• https://i.redd.it/v5zmm5aqqczg1.png · Reddit Post
• https://t.me/CVEtracker/52502 · Telegram Post
• https://plugins.trac.wordpress.org/changeset/3481338 · Note
• https://plugins.trac.wordpress.org/browser/widget-options/trunk/includes/extras.php#L495 · Note
• https://plugins.trac.wordpress.org/browser/widget-options/trunk/includes/extras.php#L534 · Note