PT-2026-43633 · WordPress · Rexcrawler

San6051 · Published 2026-05-27 · Updated 2026-05-27 · CVE-2026-2280

Positive Technologies (AI Summary)

CVSS v3.1

4.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions rexCrawler versions prior to 1.0.16

Description The rexCrawler plugin for WordPress contains a Stored Cross-Site Scripting issue within the admin settings caused by insufficient input sanitization and output escaping. This allows authenticated attackers with administrator-level permissions or higher to inject arbitrary web scripts into pages, which then execute when a user visits the affected page. This issue specifically impacts multi-site installations and environments where unfiltered html has been disabled.

Recommendations Update to a version later than 1.0.15.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-2280

Affected Products

Rexcrawler

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-2280 · Security Note
• https://plugins.trac.wordpress.org/browser/rexcrawler/tags/1.0.15/admin_main.php#L239 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/9ec307de-600c-4fb2-b474-db9b674d4ead?source=cve · Note
• https://plugins.trac.wordpress.org/browser/rexcrawler/tags/1.0.15/admin_main.php#L108 · Note
• https://plugins.trac.wordpress.org/browser/rexcrawler/trunk/admin_main.php#L108 · Note
• https://plugins.trac.wordpress.org/browser/rexcrawler/trunk/admin_main.php#L239 · Note
• https://t.me/cveNotify/164818 · Telegram Post