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High severity8.0NVD Advisory· Published Mar 5, 2026· Updated Jun 17, 2026

CVE-2026-28405

CVE-2026-28405

Description

MarkUs is a web application for the submission and grading of student assignments. Prior to version 2.9.1, the courses/<:course_id>/assignments/<:assignment_id>/submissions/html_content route reads the contents of a student-submitted file and renders them without sanitization. This issue has been patched in version 2.9.1.

Affected products

3
  • MarkUsProject/Markus3 versions
    cpe:2.3:a:markusproject:markus:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:markusproject:markus:*:*:*:*:*:*:*:*range: <2.9.1
    • (no CPE)range: <2.9.1
    • (no CPE)range: < 2.9.1

Patches

Vulnerability mechanics

References

3

News mentions

0

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