What is the CVSS score of CVE-2021-24413?

CVE-2021-24413 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-2021-24413?

Yes, a public proof-of-concept exploit is available for CVE-2021-24413. Prioritise patching immediately. EPSS: 0.6%.

Easy Twitter Feed CVE-2021-24413

MEDIUM

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

2021-10-18 contact@wpscan.com

WordPress XSS Easy Twitter Feed

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 Easy Twitter Feed WordPress plugin before 1.2 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 Easy Twitter Feed WordPress plugin before 1.2 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. 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 Easy Twitter Feed WordPress plugin before 1.2 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 Easy Twitter Feed. Version information: before 1.2.

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.