Is CVE-2023-47323 in the CISA KEV catalog?

No. CVE-2023-47323 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-47323?

CVE-2023-47323 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2023-47323?

CVE-2023-47323 has an EPSS score of 0.79% (52th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-47323?

Upgrade silverpeas to 6.3.2 or later.

CVE & CISA-KEV Catalog

CVE-2023-47323

HIGH

7.5

CVSS v3

NVD

Description

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.

How to fix

Remediation Available

silverpeasNVD

Affected:< 6.3.2Fixed in:6.3.2CVE-2023-47323derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.79%probability of exploitation in 30 days

52ndpercentile

Moderate risk: more likely to be exploited than 52% of all known CVEs.

References

Exploit1

github.com

Product1

silverpeas.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-05.