ZDI-CAN-25352: ZDI-25-096: PostHog slack_incoming_webhook Server-Side Request Forgery Information Disclosure Vulnerability
First published: Tue Feb 25 2025(Updated: )
This vulnerability allows remote attackers to disclose sensitive information on affected installations of PostHog. Authentication is required to exploit this vulnerability. The specific flaw exists within the processing of the slack_incoming_webhook parameter. The issue results from the lack of proper validation of a URI prior to accessing resources. An attacker can leverage this vulnerability to execute code in the context of the service account.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PostHog | ||
| PostHog |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-25352?
The severity of ZDI-CAN-25352 is rated at 7.1 according to the CVSS system.
How do I fix ZDI-CAN-25352?
To fix ZDI-CAN-25352, ensure you update to the latest version of PostHog that addresses this vulnerability.
What type of attacks can exploit ZDI-CAN-25352?
ZDI-CAN-25352 can be exploited by remote attackers to disclose sensitive information.
Is authentication required to exploit ZDI-CAN-25352?
Yes, authentication is required to exploit the ZDI-CAN-25352 vulnerability.
What CVE is assigned to ZDI-CAN-25352?
The CVE assigned to ZDI-CAN-25352 is CVE-2025-1521.
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- source/ZDI
- alias/ZDI-CAN-25352
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