What is the CVSS score of CVE-2021-24558?

CVE-2021-24558 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: 0.7%.

Is there a public PoC exploit available for CVE-2021-24558?

Yes, a public proof-of-concept exploit is available for CVE-2021-24558. Prioritise patching immediately. EPSS: 0.7%.

Project Status CVE-2021-24558

MEDIUM

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

2021-08-23 contact@wpscan.com

WordPress XSS Project Status

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

Aug 23, 2021 - 12:15 nvd

MEDIUM 5.4

DescriptionNVD

The pspin_duplicate_post_save_as_new_post function of the Project Status WordPress plugin through 1.6 does not sanitise, validate or escape the post GET parameter passed to it before outputting it in an error message when the related post does not exist, leading to a reflected XSS issue

AnalysisAI

The pspin_duplicate_post_save_as_new_post function of the Project Status WordPress plugin through 1.6 does not sanitise, validate or escape the post GET parameter passed to it before outputting it in. 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 pspin_duplicate_post_save_as_new_post function of the Project Status WordPress plugin through 1.6 does not sanitise, validate or escape the post GET parameter passed to it before outputting it in an error message when the related post does not exist, leading to a reflected XSS issue Affected products include: 3.7Designs Project Status. Version information: through 1.6.

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.