Stored Cross-Site Scripting in Post Flagger Plugin for WordPress
CVE-2026-1854
6.4MEDIUM
What is CVE-2026-1854?
The Post Flagger plugin for WordPress contains a vulnerability that allows authenticated users with contributor-level access and above to exploit insufficient input sanitization and output escaping. This vulnerability is triggered through the plugin's 'flag' shortcode, enabling attackers to inject arbitrary web scripts. These scripts can execute whenever a user accesses a page containing injected content, potentially compromising user data and site integrity.
Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.
Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.
Affected Version(s)
Post Flagger * <= 1.1