CVE-2021-43184
CVE-2021-43184 is a medium-severity vulnerability in Jetbrains Youtrack with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 5.4)
- CVSS v2: 3.5
- EPSS exploit prediction: 1% (46th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Jetbrains Youtrack
- Published:
- Last modified:
Description
In JetBrains YouTrack before 2021.3.21051, stored XSS is possible.
Frequently asked questions
- What is CVE-2021-43184?
- In JetBrains YouTrack before 2021.3.21051, stored XSS is possible.
- How severe is CVE-2021-43184?
- CVE-2021-43184 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-43184 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-43184?
- CVE-2021-43184 affects Jetbrains Youtrack. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-43184?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-43184 published?
- CVE-2021-43184 was published on 2021-11-09 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:jetbrains:youtrack:*:*:*:*:*:*:*:*
More vulnerabilities in Jetbrains Youtrack
- CVE-2022-24442 — Critical (CVSS 9.8): JetBrains YouTrack before 2021.4.40426 was vulnerable to SSTI (Server-Side Template Injection) via FreeMarker templates.
- CVE-2021-43185 — Critical (CVSS 9.8): JetBrains YouTrack before 2021.3.23639 is vulnerable to Host header injection.
- CVE-2021-25770 — Critical (CVSS 9.8): In JetBrains YouTrack before 2020.5.3123, server-side template injection (SSTI) was possible, which could lead to code…
- CVE-2019-12852 — Critical (CVSS 9.8): An SSRF attack was possible on a JetBrains YouTrack server. The issue (1 of 2) was fixed in JetBrains YouTrack…
- CVE-2019-12867 — Critical (CVSS 9.8): Certain actions could cause privilege escalation for issue attachments in JetBrains YouTrack. The issue was fixed in…
- CVE-2019-12866 — Critical (CVSS 9.8): An Insecure Direct Object Reference, with Authorization Bypass through a User-Controlled Key, was possible in JetBrains…
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