Upsource
CVE-2019-14961
MEDIUM
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Lifecycle Timeline
1DescriptionNVD
JetBrains Upsource before 2019.1.1412 was not properly escaping HTML tags in a code block comments, leading to XSS.
AnalysisAI
JetBrains Upsource before 2019.1.1412 was not properly escaping HTML tags in a code block comments, leading to XSS. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. JetBrains Upsource before 2019.1.1412 was not properly escaping HTML tags in a code block comments, leading to XSS. Affected products include: Jetbrains Upsource. Version information: before 2019.1.1412.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
In JetBrains UpSource versions before 2018.2 build 1293, there is credential disclosure via RPC commands. Rated critical
In JetBrains UpSource before 2020.1.1883, application passwords were not revoked correctly. Rated high severity (CVSS 7.
Server metadata could be exposed because one of the error messages reflected the whole response back to the client in Je
Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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