CVE-2023-27905
CVE-2023-27905 is a critical-severity vulnerability in Jenkins Update-center2 with a CVSS 3.x base score of 9.6. 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: Critical (CVSS 3.x base score 9.6)
- EPSS exploit prediction: 2% (72nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Jenkins Update-center2
- Published:
- Last modified:
Description
Jenkins update-center2 3.13 and 3.14 renders the required Jenkins core version on plugin download index pages without sanitization, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to provide a plugin for hosting.
Frequently asked questions
- What is CVE-2023-27905?
- Jenkins update-center2 3.13 and 3.14 renders the required Jenkins core version on plugin download index pages without sanitization, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to provide a plugin for hosting.
- How severe is CVE-2023-27905?
- CVE-2023-27905 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-27905 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-27905?
- CVE-2023-27905 primarily affects Jenkins Update-center2. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-27905?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2023-27905 published?
- CVE-2023-27905 was published on 2023-03-10 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:a:jenkins:update-center2:3.13:*:*:*:*:jenkins:*:*
- cpe:2.3:a:jenkins:update-center2:3.14:*:*:*:*:jenkins:*:*
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