What is CVE-2023-47327?

CVE-2023-47327 is a medium-severity vulnerability in Silverpeas. CVSS score: 4.3/10. Published 2023-12-13.

How severe is CVE-2023-47327?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2023-47327 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Silverpeas

CVE-2023-47327

The "Create a Space" feature in Silverpeas Core 6.3.1 is reserved for use by administrators. This function suffers from broken access control, allowing any authenticated user to create a space by navigating to the correct URL.

Published 2023-12-13 · last modified 2026-07-09.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (41.8th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Silverpeas

Public proof-of-concept exploits

RhinoSecurityLabs/CVEs

References

af854a3a-2127-422b-91ae-364da2661108 (Product)
github.com/RhinoSecurityLabs/CVEs/tree/master/CVE-2023-47327 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-47327?: CVE-2023-47327 is a medium-severity vulnerability in Silverpeas. CVSS score: 4.3/10. Published 2023-12-13.
How severe is CVE-2023-47327?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2023-47327 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.