What is the CVSS score of CVE-2021-34625?

CVE-2021-34625 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-2021-34625?

Yes, a public proof-of-concept exploit is available for CVE-2021-34625. Prioritise patching immediately. EPSS: 0.6%.

Wp Upload Restriction CVE-2021-34625

MEDIUM

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

2021-07-07 security@wordfence.com

WordPress XSS Wp Upload Restriction

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

Jul 07, 2021 - 13:15 nvd

MEDIUM 5.4

DescriptionNVD

A vulnerability in the saveCustomType function of the WP Upload Restriction WordPress plugin allows low-level authenticated users to inject arbitrary web scripts. This issue affects versions 2.2.3 and prior.

AnalysisAI

A vulnerability in the saveCustomType function of the WP Upload Restriction WordPress plugin allows low-level authenticated users to inject arbitrary web scripts.2.3 and prior. 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. A vulnerability in the saveCustomType function of the WP Upload Restriction WordPress plugin allows low-level authenticated users to inject arbitrary web scripts.2.3 and prior. Affected products include: Wp-Upload-Restriction Project Wp-Upload-Restriction.

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.