Bug 2494824 (CVE-2026-58339) - CVE-2026-58339 moodle: Reflected XSS via Feedback import error message
Summary: CVE-2026-58339 moodle: Reflected XSS via Feedback import error message
Keywords:
Status: NEW
Alias: CVE-2026-58339
Deadline: 2026-07-01
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2507969
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-06-30 10:24 UTC by OSIDB Bzimport
Modified: 2026-07-28 11:11 UTC (History)
1 user (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description OSIDB Bzimport 2026-06-30 10:24:28 UTC 
MSA-26-0020: Reflected XSS via Feedback import error message

Description:       The Feedback activity module's import functionality
required additional sanitizing to prevent a reflected XSS
risk.
Issue summary:     Reflected XSS via Feedback import error message
Severity/Risk:     Minor
Versions affected: 5.2, 5.1 to 5.1.4, 5.0 to 5.0.7, 4.5 to 4.5.11 and earlier
unsupported versions
Versions fixed:    5.2.1, 5.1.5, 5.0.8 and 4.5.12
Reported by:       Paul Holden
Issue no.:         MDL-88543
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