What is the CVSS score of CVE-2019-6588?

CVE-2019-6588 has a CVSS 3.0 base score of 4.7 (Medium). CVSS vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 2.3%.

Is there a public PoC exploit available for CVE-2019-6588?

Yes, a public proof-of-concept exploit is available for CVE-2019-6588. Prioritise patching immediately. EPSS: 2.3%.

Is there a patch available for CVE-2019-6588?

Yes, a patch is available for CVE-2019-6588. Update the affected software to the latest version immediately.

Liferay Portal CVE-2019-6588

MEDIUM

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

2019-06-03 cve@mitre.org

XSS Liferay Portal

4.7

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

4.7 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Jun 03, 2019 - 20:29 nvd

MEDIUM 4.7

DescriptionNVD

In Liferay Portal before 7.1 CE GA4, an XSS vulnerability exists in the SimpleCaptcha API when custom code passes unsanitized input into the "url" parameter of the JSP taglib call <liferay-ui:captcha url="<%= url %>" /> or <liferay-captcha:captcha url="<%= url %>" />. Liferay Portal out-of-the-box behavior with no customizations is not vulnerable.

AnalysisAI

In Liferay Portal before 7.1 CE GA4, an XSS vulnerability exists in the SimpleCaptcha API when custom code passes unsanitized input into the "url" parameter of the JSP taglib call <liferay-ui:captcha. Rated medium severity (CVSS 4.7), this vulnerability is remotely exploitable, no authentication required. 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. In Liferay Portal before 7.1 CE GA4, an XSS vulnerability exists in the SimpleCaptcha API when custom code passes unsanitized input into the "url" parameter of the JSP taglib call <liferay-ui:captcha url="<%= url %>" /> or <liferay-captcha:captcha url="<%= url %>" />. Liferay Portal out-of-the-box behavior with no customizations is not vulnerable. Affected products include: Liferay Liferay Portal. Version information: before 7.1.

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.