Every CVESearch/Get API key

CVE-2021-43186

JetBrains YouTrack before 2021.3.24402 is vulnerable to stored XSS.

5.4 Medium

JetBrains YouTrack before 2021.3.24402 is vulnerable to stored XSS.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

0.56%Up 0.1 points since Nov 10, 2021
90%50%10%1%

What each source reports

NVD Score used5.4

JetBrains YouTrack before 2021.3.24402 is vulnerable to stored XSS.

Record
CVE-2021-43186
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0
3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness
CWE-79
Updated
2026-11-02
CVE ListNo score

JetBrains YouTrack before 2021.3.24402 is vulnerable to stored XSS.

Record
CVE-2021-43186
Updated
2026-11-02
EUVDEUVD-2021-30130No score

JetBrains YouTrack before 2021.3.24402 is vulnerable to stored XSS.

Record
EUVD-2021-30130
Updated
2026-11-03
GitHub AdvisoriesGHSA-2gmp-3cgc-4vg7No score

JetBrains YouTrack before 2021.3.24402 is vulnerable to stored XSS.

JetBrains YouTrack before 2021.3.24402 is vulnerable to stored XSS.

Record
GHSA-2gmp-3cgc-4vg7
Weakness
CWE-79
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-43186 is a medium vulnerability (CVSS 5.4) in Jetbrains Youtrack, published November 9, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 47th percentile. No source names a fixed version.

References

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