What is the CVSS score of CVE-2021-24412?

CVE-2021-24412 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.6%.

Is there a public PoC exploit available for CVE-2021-24412?

Yes, a public proof-of-concept exploit is available for CVE-2021-24412. Prioritise patching immediately. EPSS: 0.6%.

Html5 Audio Player CVE-2021-24412

MEDIUM

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

2021-10-18 contact@wpscan.com

WordPress XSS Html5 Audio Player

5.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.4 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Oct 18, 2021 - 14:15 nvd

MEDIUM 5.4

DescriptionNVD

The Html5 Audio Player - Audio Player for WordPress plugin before 2.1.3 does not sanitise or validate the parameters from its shortcode, allowing users with a role as low as contributor to set Cross-Site Scripting payload in them which will be triggered in the page/s with the embed malicious shortcode

AnalysisAI

The Html5 Audio Player - Audio Player for WordPress plugin before 2.1.3 does not sanitise or validate the parameters from its shortcode, allowing users with a role as low as contributor to set. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch 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. The Html5 Audio Player - Audio Player for WordPress plugin before 2.1.3 does not sanitise or validate the parameters from its shortcode, allowing users with a role as low as contributor to set Cross-Site Scripting payload in them which will be triggered in the page/s with the embed malicious shortcode Affected products include: Bplugins Html5 Audio Player. Version information: before 2.1.3.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.