What is the CVSS score of CVE-2023-43340?

CVE-2023-43340 has a CVSS 3.1 base score of 5.2 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.5%.

Is there a public PoC exploit available for CVE-2023-43340?

Yes, a public proof-of-concept exploit is available for CVE-2023-43340. Prioritise patching immediately. EPSS: 0.5%.

Evolution Cms CVE-2023-43340

MEDIUM

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

2023-10-19 cve@mitre.org

RCE XSS Evolution Cms

5.2

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.2 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Oct 19, 2023 - 23:15 nvd

MEDIUM 5.2

DescriptionNVD

AnalysisAI

Cross-site scripting (XSS) vulnerability in evolution v.3.2.3 allows a local attacker to execute arbitrary code via a crafted payload injected into the cmsadmin, cmsadminemail, cmspassword and. Rated medium severity (CVSS 5.2), this vulnerability is 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. Cross-site scripting (XSS) vulnerability in evolution v.3.2.3 allows a local attacker to execute arbitrary code via a crafted payload injected into the cmsadmin, cmsadminemail, cmspassword and cmspasswordconfim parameters Affected products include: Evo Evolution Cms.

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.