What is the CVSS score of CVE-2023-42343?

CVE-2023-42343 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: 0.6%.

Is there a public PoC exploit available for CVE-2023-42343?

Yes, a public proof-of-concept exploit is available for CVE-2023-42343. Prioritise patching immediately. EPSS: 0.6%.

Is there a patch available for CVE-2023-42343?

Yes, a patch is available for CVE-2023-42343. Update the affected software to the latest version immediately.

Alkacon OpenCms CVE-2023-42343

EUVD-2023-46796 MEDIUM

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

2026-05-08 mitre

GHSA-8gpv-c454-3hfc

XSS

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

Severity Changed

May 08, 2026 - 14:22 NVD

LOW MEDIUM

CVSS changed

May 08, 2026 - 14:22 NVD

-1.0 (LOW) 6.1 (MEDIUM)

CVE Published

May 08, 2026 - 00:00 cve.org

MEDIUM 6.1

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

13 maven packages depend on org.opencms:opencms-core (13 direct, 0 indirect)

Ecosystem-wide dependent count for version 16.0.

DescriptionCVE.org

A Cross Site Scripting vulnerability in Alkacon OpenCms before 10.5.1 exists via cmis-online/type.

AnalysisAI

A Cross Site Scripting vulnerability in Alkacon OpenCms before 10.5.1 exists via cmis-online/type. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code 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 Cross Site Scripting vulnerability in Alkacon OpenCms before 10.5.1 exists via cmis-online/type. Affected products include: N/A. Version information: before 10.5.1.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.