What is the CVSS score of CVE-2014-3863?

CVE-2014-3863 has a CVSS 2.0 base score of 4.3 (Medium). CVSS vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. EPSS exploitation probability: 0.3%.

Jchatsocial CVE-2014-3863

MEDIUM

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

2014-10-20 cve@mitre.org

XSS File Upload Jchatsocial

4.3

CVSS 2.0 · NVD

Severity by source

NVD PRIMARY

4.3 MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

AV:N/AC:M/Au:N/C:N/I:P/A:N

Attack Vector

Network

Attack Complexity

Confidentiality

None

Integrity

Availability

None

Lifecycle Timeline

CVE Published

Oct 20, 2014 - 18:55 cve.org

MEDIUM 4.3

DescriptionCVE.org

Cross-site scripting (XSS) vulnerability in the JChatSocial component before 2.3 for Joomla! allows remote attackers to inject arbitrary web script or HTML via the filename parameter in a file upload in an active JChat chat window.

AnalysisAI

Cross-site scripting (XSS) vulnerability in the JChatSocial component before 2.3 for Joomla!. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. 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 the JChatSocial component before 2.3 for Joomla! allows remote attackers to inject arbitrary web script or HTML via the filename parameter in a file upload in an active JChat chat window. Affected products include: J\!Extensions Store Jchatsocial. Version information: before 2.3.

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.