Silverpeas Core 6.3.1 is vulnerable to Incorrect Access Control.
Priority HIGH 70CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-863.
Summary
Silverpeas Core 6.3.1 is vulnerable to Incorrect Access Control. An attacker with low privileges is able to execute the administrator-only function of putting the application in "Maintenance Mode" due to broken access control. This makes the application unavailable to all users. This affects Silverpeas Core 6.3.1 and below.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00721 54th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed org.silverpeas.core:silverpeas-core-war (Maven): 6.3.2org.silverpeas.core:silverpeas-core-web (Maven): 6.3.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | org.silverpeas.core:silverpeas-core-war (Maven) | before 6.3.2 | 6.3.2 | Patch available | GHSA-whgv-6j78-5rh2 |
| — | org.silverpeas.core:silverpeas-core-web (Maven) | before 6.3.2 | 6.3.2 | Patch available | GHSA-whgv-6j78-5rh2 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- org.silverpeas.core:silverpeas-core-war (Maven) Vendor— Affected before 6.3.2 Fixed in 6.3.2 Patch available GHSA-whgv-6j78-5rh2
- org.silverpeas.core:silverpeas-core-web (Maven) Vendor— Affected before 6.3.2 Fixed in 6.3.2 Patch available GHSA-whgv-6j78-5rh2
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:silverpeas:silverpeas:*:*:*:*:*:*:*:* | before 6.3.2 | Vulnerable | Silverpeas |
- cpe:2.3:a:silverpeas:silverpeas:*:*:*:*:*:*:*:* Versions before 6.3.2 Vulnerable ·Silverpeas
Remediation
- Fix · GHSA-whgv-6j78-5rh2 org.silverpeas.core:silverpeas-core-war (Maven) Fixed in 6.3.2 Advisory →
- Fix · GHSA-whgv-6j78-5rh2 org.silverpeas.core:silverpeas-core-web (Maven) Fixed in 6.3.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-47320
- 2026-10-03 Alias added: GHSA-whgv-6j78-5rh2
References
More Silverpeas vulnerabilities
- TI-2024-23898 Silverpeas before 6.3.5 allows authentication bypass by omitting the Password field to… CVSS 3.1CRITICAL 9.8
- TI-2024-32524 SQL Injection vulnerability in Silverpeas 6.4.1 allows a remote attacker to obtain… CVSS 3.1HIGH 7.5
- TI-2025-28919 A User enumeration vulnerability in the /CredentialsServlet/ForgotPassword endpoint in… CVSS 3.1MEDIUM 6.5
- TI-2024-28653 An issue in Silverpeas v.6.4.2 and lower allows a remote attacker to cause a denial of… CVSS 3.1MEDIUM 6.5
- TI-2025-28727 Silverpeas 6.4.2 contains a stored cross-site scripting (XSS) vulnerability in the event… CVSS 3.1MEDIUM 5.4
- TI-2024-37707 Stored Cross-Site Scripting (XSS) Vulnerability in the Categorization Option of My… CVSS 3.1MEDIUM 5.4
Sources
- CVE-2023-47320 · CVE Program
- CVE-2023-47320 · NVD
- FIRST EPSS
- GHSA-whgv-6j78-5rh2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences