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Post Flagger

1 CVEs product

Monthly

CVE-2026-1854 Mar 21, 03:26 MEDIUM This Month

A Stored Cross-Site Scripting (XSS) vulnerability exists in the Post Flagger WordPress plugin for all versions up to and including 1.1, caused by insufficient input sanitization and output escaping in the 'flag' shortcode's user-supplied attributes. Authenticated attackers with contributor-level access or higher can inject arbitrary JavaScript code into pages, which executes for all users who view those pages. This vulnerability has a CVSS score of 6.4 (Medium) and is confirmed in the WordPress plugin repository; no evidence of active exploitation or public proof-of-concept is currently documented, but the straightforward nature of the vulnerability suggests exploitation potential.

WordPress XSS Post Flagger Wordpress Plugin
NVD
CVSS 3.1
6.4
EPSS
0.0%
EPSS 0% CVSS 6.4
MEDIUM This Month

A Stored Cross-Site Scripting (XSS) vulnerability exists in the Post Flagger WordPress plugin for all versions up to and including 1.1, caused by insufficient input sanitization and output escaping in the 'flag' shortcode's user-supplied attributes. Authenticated attackers with contributor-level access or higher can inject arbitrary JavaScript code into pages, which executes for all users who view those pages. This vulnerability has a CVSS score of 6.4 (Medium) and is confirmed in the WordPress plugin repository; no evidence of active exploitation or public proof-of-concept is currently documented, but the straightforward nature of the vulnerability suggests exploitation potential.

WordPress XSS Post Flagger +1
NVD

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