What is the CVSS score of CVE-2023-51539?

CVE-2023-51539 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L. EPSS exploitation probability: 0.1%.

Which versions of Apollo13Themes Apollo13 Framework Extensions.This are affected by CVE-2023-51539?

CVE-2023-51539 presents moderate security risk, a cross-site request forgery vulnerability rated CVSS 4.3. Users could be tricked into performing unintended actions.

How to fix or mitigate CVE-2023-51539?

During next maintenance window: Identify affected systems and apply vendor patches when convenient. Verify anti-CSRF tokens are enforced.

Apollo13Themes Apollo13 Framework Extensions.This CVE-2023-51539

MEDIUM

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

2024-01-05 audit@patchstack.com

CSRF

5.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.4 MEDIUM

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

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:N/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

Low

Lifecycle Timeline

CVSS changed

Apr 28, 2026 - 19:38 NVD

4.3 (MEDIUM) 5.4 (MEDIUM)

Analysis Generated

Mar 28, 2026 - 19:33 vuln.today

CVE Published

Jan 05, 2024 - 10:15 nvd

MEDIUM 4.3

CVE Published

Jan 05, 2024 - 10:15 cve.org

MEDIUM 5.4

DescriptionCVE.org

Cross-Site Request Forgery (CSRF) vulnerability in Apollo13Themes Apollo13 Framework Extensions.This issue affects Apollo13 Framework Extensions: from n/a through 1.9.1.

AnalysisAI

Cross-Site Request Forgery (CSRF) vulnerability in Apollo13Themes Apollo13 Framework Extensions.9.1. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, no authentication required, low attack complexity. 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. Cross-Site Request Forgery (CSRF) vulnerability in Apollo13Themes Apollo13 Framework Extensions.9.1. Affected products include: Apollo13Themes Apollo13 Framework Extensions. Version information: through 1.9.1..

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.