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CVE-2026-15298

7.2 · HIGH

The TelSender plugin for WordPress is vulnerable to DOM-Based Cross-Site Scripting in all versions up to, and including, 1.14.14.

Published Jul 10, 2026CWE-79EPSS 0.43%

Overview

CVE-2026-15298 is a high-severity vulnerability. It was published on July 10, 2026 and has a CVSS 3.1 base score of 7.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refplugins.trac.wordpress.org/browser/telsender/tags/1.14.14/js/ajax.js#L119Refplugins.trac.wordpress.org/browser/telsender/tags/1.14.14/js/ajax.js#L139Refplugins.trac.wordpress.org/browser/telsender/tags/1.14.14/template/view.php#L111Refplugins.trac.wordpress.org/browser/telsender/trunk/js/ajax.js#L119Refplugins.trac.wordpress.org/browser/telsender/trunk/js/ajax.js#L139Refplugins.trac.wordpress.org/browser/telsender/trunk/template/view.php#L111Refplugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3449367%40telsender&new=3449367%40telsender&sfp_email=&sfph_mail=Refwww.wordfence.com/threat-intel/vulnerabilities/id/cb02878a-2c85-4dcb-bdc0-e65addf9fb9c?source=cve

How CyberStrike helps

Frequently asked questions

What is CVE-2026-15298?

CVE-2026-15298 is a high-severity vulnerability. It was published on July 10, 2026 and has a CVSS 3.1 base score of 7.2 (HIGH).

How severe is CVE-2026-15298?

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-15298?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-15298?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-15298 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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