CVE-2024-39031

CVE-2024-39031 is a medium-severity vulnerability in Silverpeas with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Description

In Silverpeas Core <= 6.3.5, in Mes Agendas, a user can create new events and add them to their calendar. Additionally, users can invite others from the same domain, including administrators, to these events. A standard user can inject an XSS payload into the "Titre" and "Description" fields when creating an event and then add the administrator or any user to the event. When the invited user (victim) views their own profile, the payload will be executed on their side, even if they do not click on the event.

Frequently asked questions

What is CVE-2024-39031?
In Silverpeas Core <= 6.3.5, in Mes Agendas, a user can create new events and add them to their calendar. Additionally, users can invite others from the same domain, including administrators, to these events. A standard user can inject an XSS payload into the "Titre" and "Description" fields when creating an event and then add the administrator or any user to the event. When the invited user (victim) views their own profile, the payload will be executed on their side, even if they do not click on the event.
How severe is CVE-2024-39031?
CVE-2024-39031 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-39031 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-39031?
CVE-2024-39031 affects Silverpeas. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-39031?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-39031 have an EU (EUVD) identifier?
Yes. CVE-2024-39031 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2421.
When was CVE-2024-39031 published?
CVE-2024-39031 was published on 2024-07-09 and last updated on 2026-06-17.

References

Affected products (1)

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