Home

Description

The TelSender plugin for WordPress is vulnerable to DOM-Based Cross-Site Scripting in all versions up to, and including, 1.14.14. This is due to insufficient input sanitization when processing Telegram API responses containing attacker-controlled chat titles. This makes it possible for unauthenticated attackers to inject malicious scripts via Telegram chat titles that execute when an administrator opens the TelSender settings page and clicks the "Tested" button.

PUBLISHED Reserved 2026-07-09 | Published 2026-07-10 | Updated 2026-07-10 | Assigner Wordfence




HIGH: 7.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Default status
unaffected

Any version
affected

Timeline

2026-01-27:Disclosed

Credits

Kai Aizen finder

References

www.wordfence.com/...-2c85-4dcb-bdc0-e65addf9fb9c?source=cve

plugins.trac.wordpress.org/...ser/telsender/trunk/js/ajax.js

plugins.trac.wordpress.org/...sender/tags/1.14.14/js/ajax.js

plugins.trac.wordpress.org/...ser/telsender/trunk/js/ajax.js

plugins.trac.wordpress.org/...sender/tags/1.14.14/js/ajax.js

plugins.trac.wordpress.org/...sender/trunk/template/view.php

plugins.trac.wordpress.org/...tags/1.14.14/template/view.php

plugins.trac.wordpress.org/...elsender&sfp_email=&sfph_mail=

cve.org (CVE-2026-15298)

nvd.nist.gov (CVE-2026-15298)

Download JSON