CVE-2021-21619 is a stored cross-site scripting (XSS) vulnerability affecting Jenkins Claim Plugin versions 2.18.1 and earlier, stemming from a failure to escape user display names. This medium-severity vulnerability (CVSS 5.4) requires low privileges and user interaction, allowing attackers to inject malicious scripts by controlling Jenkins user display names, potentially leading to limited confidentiality and integrity impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.18.1CPE matchmatch criteria | cpe:2.3:a:jenkins:claim:*:*:*:*:*:jenkins:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.