How severe is CVE-2023-47323?

CVE-2023-47323 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-47323 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-47323?

CVE-2023-47323 affects Silverpeas. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-47323?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-47323 published?

CVE-2023-47323 was published on 2023-12-13 and last updated on 2026-07-09.

CVE-2023-47323

CVE-2023-47323 is a high-severity vulnerability in Silverpeas with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Silverpeas
Published: 2023-12-13
Last modified: 2026-07-09

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.

Frequently asked questions

What is CVE-2023-47323?: 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 severe is CVE-2023-47323?: CVE-2023-47323 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-47323 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-47323?: CVE-2023-47323 affects Silverpeas. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-47323?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-47323 published?: CVE-2023-47323 was published on 2023-12-13 and last updated on 2026-07-09.

References

https://github.com/RhinoSecurityLabs/CVEs/tree/master/CVE-2023-47323

Affected products (1)

cpe:2.3:a:silverpeas:silverpeas:*:*:*:*:*:*:*:*

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