What is the CVSS score of CVE-2021-24793?

CVE-2021-24793 has a CVSS 3.1 base score of 4.8 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.6%.

Is there a public PoC exploit available for CVE-2021-24793?

Yes, a public proof-of-concept exploit is available for CVE-2021-24793. Prioritise patching immediately. EPSS: 0.6%.

Wpematico Rss Feed Fetcher CVE-2021-24793

MEDIUM

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

2021-11-01 contact@wpscan.com

WordPress XSS Wpematico Rss Feed Fetcher

4.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.8 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Nov 01, 2021 - 09:15 nvd

MEDIUM 4.8

DescriptionNVD

The WPeMatico RSS Feed Fetcher WordPress plugin before 2.6.12 does not escape the Feed URL added to a campaign before outputting it in an attribute, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

AnalysisAI

The WPeMatico RSS Feed Fetcher WordPress plugin before 2.6.12 does not escape the Feed URL added to a campaign before outputting it in an attribute, allowing high privilege users to perform. Rated medium severity (CVSS 4.8), 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 WPeMatico RSS Feed Fetcher WordPress plugin before 2.6.12 does not escape the Feed URL added to a campaign before outputting it in an attribute, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed. Affected products include: Etruel Wpematico Rss Feed Fetcher. Version information: before 2.6.12.

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.