Medium severity4.4NVD Advisory· Published Feb 19, 2026· Updated Jun 17, 2026
CVE-2026-1055
CVE-2026-1055
Description
The TalkJS plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 0.1.15 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
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Affected products
2Patches
Vulnerability mechanics
References
6- plugins.trac.wordpress.org/browser/talkjs/tags/0.1.15/classes/admin/ui/FieldBuilder.phpnvd
- plugins.trac.wordpress.org/browser/talkjs/tags/0.1.15/classes/admin/ui/SettingsPage.phpnvd
- plugins.trac.wordpress.org/browser/talkjs/trunk/classes/admin/ui/FieldBuilder.phpnvd
- plugins.trac.wordpress.org/browser/talkjs/trunk/classes/admin/ui/SettingsPage.phpnvd
- plugins.trac.wordpress.org/changeset/3465226/nvd
- www.wordfence.com/threat-intel/vulnerabilities/id/f91ed211-9703-44fb-a2f8-8d8da910b4c7nvd
News mentions
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