The notification/messaging feature of Silverpeas Core 6.3.1 does not enforce access…
Priority LOW 34Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
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.
Why it matters now
EPSS 0.00766 55th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed org.silverpeas.core:silverpeas-core-api (Maven): 6.3.2org.silverpeas.core:silverpeas-core-web (Maven): 6.3.2
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | org.silverpeas.core:silverpeas-core-api (Maven) | before 6.3.2 | 6.3.2 | Patch available | GHSA-cwh6-hm53-6w2m |
| — | org.silverpeas.core:silverpeas-core-web (Maven) | before 6.3.2 | 6.3.2 | Patch available | GHSA-cwh6-hm53-6w2m |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- org.silverpeas.core:silverpeas-core-api (Maven) Vendor— Affected before 6.3.2 Fixed in 6.3.2 Patch available GHSA-cwh6-hm53-6w2m
- org.silverpeas.core:silverpeas-core-web (Maven) Vendor— Affected before 6.3.2 Fixed in 6.3.2 Patch available GHSA-cwh6-hm53-6w2m
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-cwh6-hm53-6w2m org.silverpeas.core:silverpeas-core-api (Maven) Fixed in 6.3.2 Advisory →
- Fix · GHSA-cwh6-hm53-6w2m org.silverpeas.core:silverpeas-core-web (Maven) Fixed in 6.3.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-47323
- 2026-10-03 Alias added: GHSA-cwh6-hm53-6w2m
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-2023-25605 Silverpeas Core 6.3.1 is vulnerable to Incorrect Access Control. CVSS 3.1HIGH 8.1
- 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
Sources
- CVE-2023-47323 · CVE Program
- CVE-2023-47323 · NVD
- FIRST EPSS
- GHSA-cwh6-hm53-6w2m · 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