What is the CVSS score of CVE-2021-23414?

CVE-2021-23414 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 2.6%.

Is there a public PoC exploit available for CVE-2021-23414?

Yes, a public proof-of-concept exploit is available for CVE-2021-23414. Prioritise patching immediately. EPSS: 2.6%.

Is there a patch available for CVE-2021-23414?

Yes, a patch is available for CVE-2021-23414. Update the affected software to the latest version immediately.

Video Js CVE-2021-23414

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2021-07-28 report@snyk.io

RCE XSS Video Js Fedora

6.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.1 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Jul 28, 2021 - 08:15 nvd

MEDIUM 6.1

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

9 npm packages depend on video.js (8 direct, 1 indirect)

Ecosystem-wide dependent count for version 7.14.3.

DescriptionNVD

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.

AnalysisAI

This affects the package video.js before 7.14.3. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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. Affected products include: Videojs Video.Js, Fedoraproject Fedora. Version information: before 7.14.3..

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.