CVE-2026-31281
HIGH
8
CVSS Score
Published: April 13, 2026 at 12:00 AM UTC
Updated: June 17, 2026 at 10:33 AM UTC
1 product affected across 1 vendorLms
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Severity
HIGH8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit
Description
Totara LMS v19.1.5 and before 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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (2)
Source: cverecord
https://www.totara.com/Source: cverecord
https://github.com/saykino/CVE-2026-31281SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
8HIGHCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusDEFERRED
CWE
CWE-79
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