Vulnerability Monitor

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CVE-2025-45055

Silverpeas 6.4.2 contains a stored cross-site scripting (XSS) vulnerability in the event management module. An authenticated user can upload a malicious SVG file as an event attachment, which, when viewed by an administrator, executes embedded JavaScript in the admin's session. This allows attackers to escalate privileges by creating a new administrator account. The vulnerability arises from insufficient sanitization of SVG files and weak CSRF protections.

Published

2025-06-09T16:15:40.693

Last Modified

2025-06-25T20:24:56.750

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 5.4 (MEDIUM)

Weaknesses

Type: Secondary
CWE-79

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	silverpeas	silverpeas	6.4.2	Yes

References

https://github.com/Silverpeas/Silverpeas-Core/pull/1394 Patch ([email protected])
https://medium.com/@mingihongkim/privilege-escalation-via-svg-injection-in-silverpeas-6-4-2-b5ab1d5b6955 Exploit, Third Party Advisory ([email protected])
https://medium.com/@mingihongkim/privilege-escalation-via-svg-injection-in-silverpeas-6-4-2-b5ab1d5b6955 Exploit, Third Party Advisory (134c704f-9b21-4f2e-91b3-4a467353bcc0)