What is the CVSS score of CVE-2024-56923?

CVE-2024-56923 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: 0.2%.

Which versions of Silverpeas are affected by CVE-2024-56923?

CVE-2024-56923 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 5.4. Attackers could inject scripts to steal sessions or perform actions as authenticated users.. A patch is available.

Is there a public PoC exploit available for CVE-2024-56923?

Yes, a public proof-of-concept exploit is available for CVE-2024-56923. Prioritise patching immediately. EPSS: 0.2%.

How to fix or mitigate CVE-2024-56923?

Within 30 days: Identify affected systems running the Categorization Option of My Subscriptions Functionality and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Silverpeas CVE-2024-56923

MEDIUM

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

2025-01-22 cve@mitre.org

XSS Silverpeas

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Patch released

Mar 31, 2026 - 21:13 nvd

Patch available

Analysis Generated

Mar 28, 2026 - 18:05 vuln.today

PoC Detected

May 28, 2025 - 20:41 vuln.today

Public exploit code

CVE Published

Jan 22, 2025 - 21:15 nvd

MEDIUM 5.4

DescriptionCVE.org

Stored Cross-Site Scripting (XSS) Vulnerability in the Categorization Option of My Subscriptions Functionality in Silverpeas Core 6.3.1 <= 6.4.1 allows a remote attacker to execute arbitrary JavaScript code. This is achieved by injecting a malicious payload into the Name field of a subscription. The attack can lead to session hijacking, data theft, or unauthorized actions when an admin user views the affected subscription.

AnalysisAI

Stored Cross-Site Scripting (XSS) Vulnerability in the Categorization Option of My Subscriptions Functionality in Silverpeas Core 6.3.1 <= 6.4.1 allows a remote attacker to execute arbitrary. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and 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. Stored Cross-Site Scripting (XSS) Vulnerability in the Categorization Option of My Subscriptions Functionality in Silverpeas Core 6.3.1 <= 6.4.1 allows a remote attacker to execute arbitrary JavaScript code. This is achieved by injecting a malicious payload into the Name field of a subscription. The attack can lead to session hijacking, data theft, or unauthorized actions when an admin user views the affected subscription. Affected products include: Silverpeas.

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.