What is the CVSS score of CVE-2019-18957?

CVE-2019-18957 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 4.5%.

Is there a public PoC exploit available for CVE-2019-18957?

Yes, a public proof-of-concept exploit is available for CVE-2019-18957. Prioritise patching immediately. EPSS: 4.5%.

Microstrategy Library CVE-2019-18957

MEDIUM

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

2019-11-14 cve@mitre.org

XSS Microstrategy Library

6.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.1 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Nov 14, 2019 - 14:15 nvd

MEDIUM 6.1

DescriptionNVD

Microstrategy Library in MicroStrategy before 2019 before 11.1.3 has reflected XSS.

AnalysisAI

Microstrategy Library in MicroStrategy before 2019 before 11.1.3 has reflected XSS. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, 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. Microstrategy Library in MicroStrategy before 2019 before 11.1.3 has reflected XSS. Affected products include: Microstrategy Microstrategy Library. Version information: before 2019.

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.