CVE-2021-39286 is a medium-severity Cross-Site Scripting (XSS) vulnerability affecting Webrecorder pywb versions prior to 2.6.0, stemming from a lack of autoescaping in Jinja2 templates. This flaw allows an unauthenticated attacker to inject malicious scripts into a user's browser, requiring user interaction to succeed, and potentially leading to limited impact on confidentiality and integrity. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.6.0CPE matchmatch criteria | cpe:2.3:a:webrecorder:pywb:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.