CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-28405

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.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.0

EPSS Ranking 9.3%

CVSS Severity

CVSS v3 Score 8.0

References

Products affected by CVE-2026-28405

Markusproject » Markus » Version: 0.10.0

cpe:2.3:a:markusproject:markus:0.10.0
Markusproject » Markus » Version: 0.10.1

cpe:2.3:a:markusproject:markus:0.10.1
Markusproject » Markus » Version: 0.11.0

cpe:2.3:a:markusproject:markus:0.11.0
Markusproject » Markus » Version: 0.5.0

cpe:2.3:a:markusproject:markus:0.5.0
Markusproject » Markus » Version: 0.5.10

cpe:2.3:a:markusproject:markus:0.5.10
Markusproject » Markus » Version: 0.5.7

cpe:2.3:a:markusproject:markus:0.5.7
Markusproject » Markus » Version: 0.6.0

cpe:2.3:a:markusproject:markus:0.6.0
Markusproject » Markus » Version: 0.6.1

cpe:2.3:a:markusproject:markus:0.6.1
Markusproject » Markus » Version: 0.6.2

cpe:2.3:a:markusproject:markus:0.6.2
Markusproject » Markus » Version: 0.6.3

cpe:2.3:a:markusproject:markus:0.6.3
Markusproject » Markus » Version: 0.7.0

cpe:2.3:a:markusproject:markus:0.7.0
Markusproject » Markus » Version: 0.7.1

cpe:2.3:a:markusproject:markus:0.7.1
Markusproject » Markus » Version: 0.7.2

cpe:2.3:a:markusproject:markus:0.7.2
Markusproject » Markus » Version: 0.8.0

cpe:2.3:a:markusproject:markus:0.8.0
Markusproject » Markus » Version: 0.9.0

cpe:2.3:a:markusproject:markus:0.9.0
Markusproject » Markus » Version: 0.9.1

cpe:2.3:a:markusproject:markus:0.9.1
Markusproject » Markus » Version: 0.9.2

cpe:2.3:a:markusproject:markus:0.9.2
Markusproject » Markus » Version: 0.9.3

cpe:2.3:a:markusproject:markus:0.9.3
Markusproject » Markus » Version: 0.9.4

cpe:2.3:a:markusproject:markus:0.9.4
Markusproject » Markus » Version: 0.9.5

cpe:2.3:a:markusproject:markus:0.9.5
Markusproject » Markus » Version: 1.0

cpe:2.3:a:markusproject:markus:1.0
Markusproject » Markus » Version: 1.10.0

cpe:2.3:a:markusproject:markus:1.10.0
Markusproject » Markus » Version: 1.10.1

cpe:2.3:a:markusproject:markus:1.10.1
Markusproject » Markus » Version: 1.10.2

cpe:2.3:a:markusproject:markus:1.10.2
Markusproject » Markus » Version: 1.10.3

cpe:2.3:a:markusproject:markus:1.10.3
Markusproject » Markus » Version: 1.10.4

cpe:2.3:a:markusproject:markus:1.10.4
Markusproject » Markus » Version: 1.11.0

cpe:2.3:a:markusproject:markus:1.11.0
Markusproject » Markus » Version: 1.11.1

cpe:2.3:a:markusproject:markus:1.11.1
Markusproject » Markus » Version: 1.11.2

cpe:2.3:a:markusproject:markus:1.11.2
Markusproject » Markus » Version: 1.11.3

cpe:2.3:a:markusproject:markus:1.11.3
Markusproject » Markus » Version: 1.11.4

cpe:2.3:a:markusproject:markus:1.11.4
Markusproject » Markus » Version: 1.11.5

cpe:2.3:a:markusproject:markus:1.11.5
Markusproject » Markus » Version: 1.12.0

cpe:2.3:a:markusproject:markus:1.12.0
Markusproject » Markus » Version: 1.12.1

cpe:2.3:a:markusproject:markus:1.12.1
Markusproject » Markus » Version: 1.12.2

cpe:2.3:a:markusproject:markus:1.12.2
Markusproject » Markus » Version: 1.12.3

cpe:2.3:a:markusproject:markus:1.12.3
Markusproject » Markus » Version: 1.12.4

cpe:2.3:a:markusproject:markus:1.12.4
Markusproject » Markus » Version: 1.12.5

cpe:2.3:a:markusproject:markus:1.12.5
Markusproject » Markus » Version: 1.13.0

cpe:2.3:a:markusproject:markus:1.13.0
Markusproject » Markus » Version: 1.13.1

cpe:2.3:a:markusproject:markus:1.13.1
Markusproject » Markus » Version: 1.13.2

cpe:2.3:a:markusproject:markus:1.13.2
Markusproject » Markus » Version: 1.13.3

cpe:2.3:a:markusproject:markus:1.13.3
Markusproject » Markus » Version: 1.14.0

cpe:2.3:a:markusproject:markus:1.14.0
Markusproject » Markus » Version: 1.14.1

cpe:2.3:a:markusproject:markus:1.14.1
Markusproject » Markus » Version: 1.8.0

cpe:2.3:a:markusproject:markus:1.8.0
Markusproject » Markus » Version: 1.8.1

cpe:2.3:a:markusproject:markus:1.8.1
Markusproject » Markus » Version: 1.8.2

cpe:2.3:a:markusproject:markus:1.8.2
Markusproject » Markus » Version: 1.8.3

cpe:2.3:a:markusproject:markus:1.8.3
Markusproject » Markus » Version: 1.8.4

cpe:2.3:a:markusproject:markus:1.8.4
Markusproject » Markus » Version: 1.9.0

cpe:2.3:a:markusproject:markus:1.9.0
Markusproject » Markus » Version: 1.9.1

cpe:2.3:a:markusproject:markus:1.9.1
Markusproject » Markus » Version: 1.9.2

cpe:2.3:a:markusproject:markus:1.9.2
Markusproject » Markus » Version: 1.9.3

cpe:2.3:a:markusproject:markus:1.9.3
Markusproject » Markus » Version: 2.0.0

cpe:2.3:a:markusproject:markus:2.0.0
Markusproject » Markus » Version: 2.0.1

cpe:2.3:a:markusproject:markus:2.0.1
Markusproject » Markus » Version: 2.0.10

cpe:2.3:a:markusproject:markus:2.0.10
Markusproject » Markus » Version: 2.0.2

cpe:2.3:a:markusproject:markus:2.0.2
Markusproject » Markus » Version: 2.0.3

cpe:2.3:a:markusproject:markus:2.0.3
Markusproject » Markus » Version: 2.0.4

cpe:2.3:a:markusproject:markus:2.0.4
Markusproject » Markus » Version: 2.0.5

cpe:2.3:a:markusproject:markus:2.0.5
Markusproject » Markus » Version: 2.0.6

cpe:2.3:a:markusproject:markus:2.0.6
Markusproject » Markus » Version: 2.0.7

cpe:2.3:a:markusproject:markus:2.0.7
Markusproject » Markus » Version: 2.0.8

cpe:2.3:a:markusproject:markus:2.0.8
Markusproject » Markus » Version: 2.0.9

cpe:2.3:a:markusproject:markus:2.0.9
Markusproject » Markus » Version: 2.1.0

cpe:2.3:a:markusproject:markus:2.1.0
Markusproject » Markus » Version: 2.1.1

cpe:2.3:a:markusproject:markus:2.1.1
Markusproject » Markus » Version: 2.1.2

cpe:2.3:a:markusproject:markus:2.1.2
Markusproject » Markus » Version: 2.1.3

cpe:2.3:a:markusproject:markus:2.1.3
Markusproject » Markus » Version: 2.1.4

cpe:2.3:a:markusproject:markus:2.1.4
Markusproject » Markus » Version: 2.1.5

cpe:2.3:a:markusproject:markus:2.1.5
Markusproject » Markus » Version: 2.1.6

cpe:2.3:a:markusproject:markus:2.1.6
Markusproject » Markus » Version: 2.1.7

cpe:2.3:a:markusproject:markus:2.1.7
Markusproject » Markus » Version: 2.2.0

cpe:2.3:a:markusproject:markus:2.2.0
Markusproject » Markus » Version: 2.2.1

cpe:2.3:a:markusproject:markus:2.2.1
Markusproject » Markus » Version: 2.2.2

cpe:2.3:a:markusproject:markus:2.2.2
Markusproject » Markus » Version: 2.2.3

cpe:2.3:a:markusproject:markus:2.2.3
Markusproject » Markus » Version: 2.2.4

cpe:2.3:a:markusproject:markus:2.2.4
Markusproject » Markus » Version: 2.3.0

cpe:2.3:a:markusproject:markus:2.3.0
Markusproject » Markus » Version: 2.3.1

cpe:2.3:a:markusproject:markus:2.3.1
Markusproject » Markus » Version: 2.3.2

cpe:2.3:a:markusproject:markus:2.3.2
Markusproject » Markus » Version: 2.3.3

cpe:2.3:a:markusproject:markus:2.3.3
Markusproject » Markus » Version: 2.3.4

cpe:2.3:a:markusproject:markus:2.3.4
Markusproject » Markus » Version: 2.4.0

cpe:2.3:a:markusproject:markus:2.4.0
Markusproject » Markus » Version: 2.4.1

cpe:2.3:a:markusproject:markus:2.4.1
Markusproject » Markus » Version: 2.4.10

cpe:2.3:a:markusproject:markus:2.4.10
Markusproject » Markus » Version: 2.4.11

cpe:2.3:a:markusproject:markus:2.4.11
Markusproject » Markus » Version: 2.4.12

cpe:2.3:a:markusproject:markus:2.4.12
Markusproject » Markus » Version: 2.4.2

cpe:2.3:a:markusproject:markus:2.4.2
Markusproject » Markus » Version: 2.4.3

cpe:2.3:a:markusproject:markus:2.4.3
Markusproject » Markus » Version: 2.4.4

cpe:2.3:a:markusproject:markus:2.4.4
Markusproject » Markus » Version: 2.4.5

cpe:2.3:a:markusproject:markus:2.4.5
Markusproject » Markus » Version: 2.4.6

cpe:2.3:a:markusproject:markus:2.4.6
Markusproject » Markus » Version: 2.4.7

cpe:2.3:a:markusproject:markus:2.4.7
Markusproject » Markus » Version: 2.4.8

cpe:2.3:a:markusproject:markus:2.4.8
Markusproject » Markus » Version: 2.4.9

cpe:2.3:a:markusproject:markus:2.4.9
Markusproject » Markus » Version: 2.5.0

cpe:2.3:a:markusproject:markus:2.5.0
Markusproject » Markus » Version: 2.5.1

cpe:2.3:a:markusproject:markus:2.5.1
Markusproject » Markus » Version: 2.5.2

cpe:2.3:a:markusproject:markus:2.5.2
Markusproject » Markus » Version: 2.5.3

cpe:2.3:a:markusproject:markus:2.5.3
Markusproject » Markus » Version: 2.6.0

cpe:2.3:a:markusproject:markus:2.6.0
Markusproject » Markus » Version: 2.6.1

cpe:2.3:a:markusproject:markus:2.6.1
Markusproject » Markus » Version: 2.7.0

cpe:2.3:a:markusproject:markus:2.7.0
Markusproject » Markus » Version: 2.7.1

cpe:2.3:a:markusproject:markus:2.7.1
Markusproject » Markus » Version: 2.8.0

cpe:2.3:a:markusproject:markus:2.8.0
Markusproject » Markus » Version: 2.8.1

cpe:2.3:a:markusproject:markus:2.8.1
Markusproject » Markus » Version: 2.8.2

cpe:2.3:a:markusproject:markus:2.8.2
Markusproject » Markus » Version: 2.9.0

cpe:2.3:a:markusproject:markus:2.9.0

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-28405

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