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CVE-2026-31281 — Advisory detailing an authenticated HTML injection vulnerability in Totara LMS affecting versions before 19.1.5, enabling session hijacking and command execution via crafted messages. | Kitploit
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GitHubsaykino/cve-2026-31281

CVE-2026-31281

Advisory detailing an authenticated HTML injection vulnerability in Totara LMS affecting versions before 19.1.5, enabling session hijacking and command execution via crafted messages.

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4 months agoNot yet reviewed

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CVE-2026-31281

Description

  • Totara LMS is vulnerable to HTLM Injection. An attacker can inject malicious HTLM code in a message and send it to all the users in the application, resulting in executing the code and may lead to session hijacking and executing commands on the victim's browser

CVSS 3 Score: 7.3 (High)

Attack Type

  • Remote (Authenticated)

Affected Versions

  • Versions before <= 19.1.5

Vendor of Product

  • Totara

Affected Product Code Base

  • Totara LMS

Affected Component

  • Messages box.

Mitigations

  • Implement sanitization on users input/output in the messages box.

Vulnerability Details

  • An attacker can inject malicious HTLM code in a message and send it to all the users in the application, resulting in executing the code and may lead to session hijacking and executing commands on the victim's browser

Fixed versions

  • Versions after > 19.1.5

Discovered By:

  • Yazan Abu-Nadi
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