Vulnerability CVE-2021-31903
Published: 2021-05-11

Description:
In JetBrains YouTrack before 2021.1.9819, a pull request's title was sanitized insufficiently, leading to XSS.

Type:

CWE-79

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

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Jetbrains -> Youtrack 

 References:
https://blog.jetbrains.com/blog/2021/05/07/jetbrains-security-bulletin-q1-2021/
https://blog.jetbrains.com
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