CVE-2026-15298
TelSender <= 1.14.14 - Unauthenticated Stored Cross-Site Scripting via Telegram Chat Title
CVSS Score
7.2
EPSS Score
0.3%
EPSS Percentile
23th
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.
| CWE | CWE-79 |
| Vendor | pechenki |
| Product | telsender – сontact form 7, events, wpforms, ninja forms and woocommerce to telegram bot |
| Published | Jul 10, 2026 |
| Last Updated | Jul 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
pechenki / TelSender – Сontact form 7, Events, Wpforms, ninja forms and woocommerce to telegram bot
0 ≤ 1.14.14
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/cb02878a-2c85-4dcb-bdc0-e65addf9fb9c?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/telsender/trunk/js/ajax.js#L139 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/telsender/tags/1.14.14/js/ajax.js#L139 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/telsender/trunk/js/ajax.js#L119 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/telsender/tags/1.14.14/js/ajax.js#L119 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/telsender/trunk/template/view.php#L111 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/telsender/tags/1.14.14/template/view.php#L111 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3449367%40telsender&new=3449367%40telsender&sfp_email=&sfph_mail=
Credits
Kai Aizen