XSS in Videojs Video.js
CVE-2021-23414
This affects the package video.js before 7.14.3. The src attribute of track tag allows to bypass HTML escaping and execute arbitrary code.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.026 (83.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Videojs Video.js
- Fedoraproject Fedora — versions 35, 36, 37
- N/a Video.js — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- report@snyk.io (Exploit, Third Party Advisory)
- report@snyk.io (Exploit, Third Party Advisory)
- report@snyk.io (Exploit, Third Party Advisory)
- report@snyk.io (Patch, Third Party Advisory)
- report@snyk.io (vendor-advisory)
- report@snyk.io (vendor-advisory)
- report@snyk.io (vendor-advisory)
Frequently asked questions
- What is CVE-2021-23414?
- CVE-2021-23414 is a medium-severity vulnerability in Videojs Video.js, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2021-07-28.
- How severe is CVE-2021-23414?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-23414 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.