CVE-2023-47323
HighCVSS 7.5Exploitation Probability (EPSS)
Elevated risk51th percentile - higher than 51% of all known CVEs
Summary
The notification/messaging feature of Silverpeas Core 6.3.1 does not enforce access control on the ID parameter. This allows an attacker to read all messages sent between other users; including those sent only to administrators.
Risk Assessment
The organization is at risk of confidential information leakage, as an attacker can access private user messages and administrative communications.
Recommendation
Immediately update Silverpeas Core to a version that includes a fix enforcing access control on the ID parameter in the notification/messaging feature.
Other vulnerabilities in Silverpeas Core
See all- CVE-2023-47327Medium
The 'Create a Space' feature in Silverpeas Core 6.3.1 is reserved for administrators but suffers from broken access control, allowing any authenticated user to create a space by navigating to the correct URL.
- CVE-2023-47326High
Silverpeas Core 6.3.1 is vulnerable to Cross-Site Request Forgery (CSRF) via the Domain SQL Create function. An attacker can exploit this flaw to perform unauthorized actions on behalf of an authenticated user.
- CVE-2023-47325Medium
A vulnerability in Silverpeas Core 6.3.1 administrative 'Bin' feature allows a low-privileged user to access the bin, revealing all deleted spaces. The user can then restore or permanently delete these spaces.
- CVE-2023-47324Medium
Silverpeas Core 6.3.1 is vulnerable to Cross Site Scripting (XSS) via the message/notification feature. An attacker can inject malicious JavaScript code into message content.
- CVE-2023-47322High
The 'userModify' feature in Silverpeas Core 6.3.1 is vulnerable to Cross-Site Request Forgery (CSRF) leading to privilege escalation. If an administrator visits a malicious URL while authenticated, the attacker can become an administrator user.
- CVE-2023-47321Medium
Silverpeas Core 6.3.1 has an incorrect access control vulnerability in the 'Porlet Deployer' component, allowing administrators to deploy .WAR portlets. This could lead to unauthorized code execution or privilege escalation.
- CVE-2023-47320High
Silverpeas Core 6.3.1 and below contain an incorrect access control vulnerability. An attacker with low privileges can execute the administrator-only function of enabling maintenance mode, making the application unavailable to all users.
Original NVD description (English source)
The notification/messaging feature of Silverpeas Core 6.3.1 does not enforce access control on the ID parameter. This allows an attacker to read all messages sent between other users; including those sent only to administrators.