Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape display names and IDs of item types shown on the New Item page, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to specify display names or IDs of item types.
Published 2021-01-13 16:15:14
Updated 2023-11-02 22:04:04
View at NVD,   CVE.org
Vulnerability category: Cross site scripting (XSS)

Threat overview for CVE-2021-21611

Top countries where our scanners detected CVE-2021-21611
Top open port discovered on systems with this issue 80
IPs affected by CVE-2021-21611 17,315
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2021-21611!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2021-21611

0.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 20 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-21611

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
3.5
LOW AV:N/AC:M/Au:S/C:N/I:P/A:N
6.8
2.9
NIST
5.4
MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
2.3
2.7
NIST

CWE ids for CVE-2021-21611

References for CVE-2021-21611

Products affected by CVE-2021-21611

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