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CVE-2026-73033: Sucuri WordPress Plugin 2.7.3 Path Traversal via integrity.lib.php

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-10 · updated 2026-09-17
• Weakness: CWE-22

Description

Sucuri Security WordPress plugin through version 2.7.3 contains a path traversal vulnerability in the pageIntegritySubmission() method in src/integrity.lib.php that allows authenticated administrators to delete arbitrary files by supplying directory traversal sequences in the sucuriscan_integrity parameter. Attackers can manipulate the unsanitized file path concatenated with ABSPATH to traverse outside the WordPress installation directory and invoke unlink() on sensitive files such as wp-config.php and .htaccess, causing site outage or enabling malicious reinstallation.

Affected products

• sucuri-wordpress-plugin: through 2.7.3

References

• https://github.com/Sucuri/sucuri-wordpress-plugin/issues/217
• https://www.vulncheck.com/advisories/sucuri-wordpress-plugin-path-traversal-via-integrity-lib-php
• https://github.com/Sucuri/sucuri-wordpress-plugin/issues/217

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