What is CVE-2023-47324?

CVE-2023-47324 is a medium-severity vulnerability in Silverpeas, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-12-13.

How severe is CVE-2023-47324?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2023-47324 known to be exploited?

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

XSS in Silverpeas

CVE-2023-47324

Silverpeas Core 6.3.1 is vulnerable to Cross Site Scripting (XSS) via the message/notification feature.

Vulnerability class: XSS (Cross-Site Scripting)

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

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (39.0th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.0% 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

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

RhinoSecurityLabs/CVEs

References

af854a3a-2127-422b-91ae-364da2661108 (Product)
github.com/Silverpeas/Silverpeas-Core/pull/1298/commits (Patch)
github.com/RhinoSecurityLabs/CVEs/tree/master/CVE-2023-47324 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-47324?: CVE-2023-47324 is a medium-severity vulnerability in Silverpeas, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-12-13.
How severe is CVE-2023-47324?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2023-47324 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.