What’s Vulnerable › Vulnerabilities

CVE-2020-12882

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-05-15 · updated 2026-06-17
• Weakness: CWE-79

Description

Submitty through 20.04.01 allows XSS via upload of an SVG document, as demonstrated by an attack by a Student against a Teaching Fellow.

Affected products

• Rcos Submitty: through 20.04.01

References

• http://packetstormsecurity.com/files/157756/Submitty-20.04.01-Cross-Site-Scripting.html
• https://github.com/Submitty/Submitty/issues/5266
• http://packetstormsecurity.com/files/157756/Submitty-20.04.01-Cross-Site-Scripting.html
• https://github.com/Submitty/Submitty/issues/5266

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