plugin

Post Flagger Vulnerabilities

1 known security issue reported for the Post Flagger WordPress plugin. Most recent disclosed Mar 20, 2026.

1 medium

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Post Flagger <= 1.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'slug' Shortcode Attribute

medium

The Post Flagger plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'flag' shortcode in all versions up to, and including, 1.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-leve...

CVSS:
6.4
Affected:
up to 1.1
Fix:
No patched version reported
Disclosed:
Mar 20, 2026

CVE-2026-1854 on NVD →

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