What is the CVSS score of CVE-2024-0561?

CVE-2024-0561 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: 0.4%.

Is there a public PoC exploit available for CVE-2024-0561?

Yes, a public proof-of-concept exploit is available for CVE-2024-0561. Prioritise patching immediately. EPSS: 0.4%.

Ultimate Posts Widget CVE-2024-0561

MEDIUM

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

2024-03-11 contact@wpscan.com

WordPress XSS Ultimate Posts Widget

5.4

CVSS 3.1 · Vendor: wpscan

Severity by source

Vendor (wpscan) PRIMARY

5.4 MEDIUM

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

Primary rating from Vendor (wpscan) · only source for this CVE.

CVSS VectorVendor: wpscan

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

Mar 11, 2024 - 18:15 cve.org

MEDIUM 5.4

DescriptionCVE.org

The Ultimate Posts Widget WordPress plugin before 2.3.1 does not validate and escape some of its Widget options before outputting them back in attributes, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

AnalysisAI

The Ultimate Posts Widget WordPress plugin before 2.3.1 does not validate and escape some of its Widget options before outputting them back in attributes, which could allow high privilege users such. 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 Ultimate Posts Widget WordPress plugin before 2.3.1 does not validate and escape some of its Widget options before outputting them back in attributes, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup) Affected products include: Inisev Ultimate Posts Widget. Version information: before 2.3.1.

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.