What is the CVSS score of CVE-2023-0820?

CVE-2023-0820 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2023-0820?

Yes, a public proof-of-concept exploit is available for CVE-2023-0820. Prioritise patching immediately. EPSS: 0.4%.

User Role CVE-2023-0820

HIGH

Cross-Site Request Forgery (CSRF) (CWE-352)

2023-04-03 contact@wpscan.com

Privilege Escalation WordPress CSRF User Role

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Apr 03, 2023 - 15:15 nvd

HIGH 8.8

DescriptionNVD

The User Role by BestWebSoft WordPress plugin before 1.6.7 does not protect against CSRF in requests to update role capabilities, leading to arbitrary privilege escalation of any role.

AnalysisAI

The User Role by BestWebSoft WordPress plugin before 1.6.7 does not protect against CSRF in requests to update role capabilities, leading to arbitrary privilege escalation of any role. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. The User Role by BestWebSoft WordPress plugin before 1.6.7 does not protect against CSRF in requests to update role capabilities, leading to arbitrary privilege escalation of any role. Affected products include: Bestwebsoft User Role. Version information: before 1.6.7.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.