CVE-2020-12882 : Submitty through 20.04.01 allows XSS via upload of an SVG document, as demonstra

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.

Published 2020-05-15 05:15:13

Updated 2020-05-19 17:15:10

Source MITRE

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2020-12882

Rcos » Submitty
Versions up to, including, (<=) 20.04.01
cpe:2.3:a:rcos:submitty:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.06%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 25 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
3.5	LOW	AV:N/AC:M/Au:S/C:N/I:P/A:N	6.8	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: Single Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
5.4	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N	2.3	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)

https://github.com/Submitty/Submitty/issues/5266

[Security bug] Stored XSS Trigger for TA by user account · Issue #5266 · Submitty/Submitty · GitHub
Third Party Advisory
http://packetstormsecurity.com/files/157756/Submitty-20.04.01-Cross-Site-Scripting.html

Submitty 20.04.01 Cross Site Scripting ≈ Packet Storm

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