Broken access control in Silverpeas

published 2023-12-13 2 y ago modified 2026-07-09 4 mo ago also GHSA-42g3-3jwm-63rx , EUVD-2023-3091

cvss: 5.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits: 0; none known

Silverpeas Core 6.3.1 administrative "Bin" feature is affected by broken access control. A user with low privileges is able to navigate directly to the bin, revealing all deleted spaces. The user can then restore or permanently delete the spaces.

Patch / fix

fixed in 2

maven org.silverpeas.core:silverpeas-core-web 6.3.2
silverpeas silverpeas 6.3.2

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 17 mo ago (2025-05-22)

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/RhinoSecurityLabs/CVEs/tree/master/CVE-2023-47325 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
GitHub	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
maven	org.silverpeas.core:silverpeas-core-web	<6.3.2	6.3.2

Classification

Weakness

CWE-284 Improper Access Control

References

github.com /RhinoSecurityLabs/CVEs/tree/master/CVE-2023-47325
web, exploit, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2023-47325
advisory
github.com /Silverpeas/Silverpeas-Core
package
silverpeas.com
web

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary