CVE-2026-111040

MEDIUMCVSS 5.1/10

Last modified

CVE-2026-111040 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. The platform allows persistent HTML injection into editable fields managed by TinyMCE. An authenticated attacker with low privileges can inject unsanitised HTML content which is stored in the database and subsequently rendered in other users’ browsers, affecting the display of content within the application..

Description

The platform allows persistent HTML injection into editable fields managed by TinyMCE. An authenticated attacker with low privileges can inject unsanitised HTML content which is stored in the database and subsequently rendered in other users’ browsers, affecting the display of content within the application.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
CoupaCoupa Total Spend Management Platform< 04/11/2026

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-111040?
The platform allows persistent HTML injection into editable fields managed by TinyMCE. An authenticated attacker with low privileges can inject unsanitised HTML content which is stored in the database and subsequently rendered in other users’ browsers, affecting the display of content within the application.
How severe is CVE-2026-111040?
CVE-2026-111040 has a CVSS score of 5.1/10 (MEDIUM severity).
How do I fix CVE-2026-111040?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST