6.4

CVE-2026-6275

StatCounter <= 2.1.1 - Authenticated (Author+) Stored Cross-Site Scripting via Author Nickname

The StatCounter – Free Real Time Visitor Stats plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.1.1 This is due to insufficient output escaping on the post author's nickname in the statcounter_addToTags() function. The function is hooked to wp_head and fires on every single post page. It retrieves the post author's nickname via the_author_meta() and echoes it directly into a JavaScript double-quoted string context inside a <script> block without applying esc_js() or any equivalent JavaScript-context escaping. This makes it possible for authenticated attackers with Author-level access and above to inject arbitrary web scripts into pages that will execute whenever any user (including unauthenticated visitors) accesses a post authored by the attacker.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
Herstellerstatcounter
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Produkt StatCounter – Free Real Time Visitor Stats
Default Statusunaffected
Version <= 2.1.1
Version 0
Status affected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.31% 0.22
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security@wordfence.com 6.4 3.1 2.7
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

https://plugins.trac.wordpress.org/browser/official-statcounter-plugin-for-wordpress/tags/2.1.1/StatCounter-Wordpress-Plugin.php#L274
https://www.wordfence.com/threat-intel/vulnerabilities/id/30e0bf40-7f7b-43e6-8439-6dc00a889344?source=cve
https://plugins.trac.wordpress.org/browser/official-statcounter-plugin-for-wordpress/trunk/StatCounter-Wordpress-Plugin.php#L274
https://plugins.trac.wordpress.org/browser/official-statcounter-plugin-for-wordpress/trunk/StatCounter-Wordpress-Plugin.php#L266
https://plugins.trac.wordpress.org/browser/official-statcounter-plugin-for-wordpress/tags/2.1.1/StatCounter-Wordpress-Plugin.php#L266
https://plugins.trac.wordpress.org/changeset?old_path=%2Fofficial-statcounter-plugin-for-wordpress/tags/2.1.1&new_path=%2Fofficial-statcounter-plugin-for-wordpress/tags/2.1.2