CVE-2025-1521

MEDIUM

6.5

Description

PostHog slack_incoming_webhook Server-Side Request Forgery Information Disclosure Vulnerability. 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. Was ZDI-CAN-25352.

Details CVE

Score CVSS v3.16.5

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie4/23/2025

Derniere modification8/7/2025

Sourcenvd

Observations honeypot0

Produits affectes

posthog:posthog

Faiblesses (CWE)

CWE-918

References

https://github.com/PostHog/posthog/commit/6e8f035f9acd339c5ba87ba6ea40fc1ab3053d42(zdi-disclosures@trendmicro.com)

https://www.zerodayinitiative.com/advisories/ZDI-25-096/(zdi-disclosures@trendmicro.com)

Correlations IOC

Aucune correlation enregistree

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