What is the CVSS score of CVE-2023-6303?

CVE-2023-6303 has a CVSS 3.1 base score of 4.8 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.6%.

Is there a public PoC exploit available for CVE-2023-6303?

Yes, a public proof-of-concept exploit is available for CVE-2023-6303. Prioritise patching immediately. EPSS: 0.6%.

Cszcms CVE-2023-6303

MEDIUM

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

2023-11-27 cna@vuldb.com

XSS Cszcms

4.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.8 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Nov 27, 2023 - 00:15 nvd

MEDIUM 4.8

DescriptionNVD

A vulnerability was found in CSZCMS 1.3.0. It has been classified as problematic. This affects an unknown part of the file /admin/settings/ of the component Site Settings Page. The manipulation of the argument Additional Meta Tag with the input <svg><animate onbegin=alert(1) attributeName=x dur=1s> leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-246129 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

A vulnerability was found in CSZCMS 1.3.0. Rated medium severity (CVSS 4.8), 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 was found in CSZCMS 1.3.0. It has been classified as problematic. This affects an unknown part of the file /admin/settings/ of the component Site Settings Page. The manipulation of the argument Additional Meta Tag with the input <svg><animate onbegin=alert(1) attributeName=x dur=1s> leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-246129 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way. Affected products include: Cskaza Cszcms.

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.