What is the CVSS score of CVE-2019-9919?

CVE-2019-9919 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.7%.

Je Messenger CVE-2019-9919

MEDIUM

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

2019-03-29 cve@mitre.org

XSS Je Messenger

5.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.4 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Mar 29, 2019 - 15:29 nvd

MEDIUM 5.4

DescriptionNVD

An issue was discovered in the Harmis JE Messenger component 1.2.2 for Joomla!. It is possible to craft messages in a way that JavaScript gets executed on the side of the receiving user when the message is opened, aka XSS.

AnalysisAI

An issue was discovered in the Harmis JE Messenger component 1.2.2 for Joomla!. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. 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. An issue was discovered in the Harmis JE Messenger component 1.2.2 for Joomla!. It is possible to craft messages in a way that JavaScript gets executed on the side of the receiving user when the message is opened, aka XSS. Affected products include: Harmistechnology Je Messenger.

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.