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NVD Vulnerability Details :

CVE-2025-1520

Analyzed

Source-zdi-disclosures@trendmicro.com

Published At-23 Apr, 2025 | 17:16

Updated At-07 Aug, 2025 | 18:23

PostHog ClickHouse Table Functions SQL Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of PostHog. Authentication is required to exploit this vulnerability. The specific flaw exists within the implementation of the SQL parser. The issue results from the lack of proper validation of a user-supplied string before using it to construct SQL queries. An attacker can leverage this vulnerability to execute code in the context of the database account. Was ZDI-CAN-25350.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	8.0	HIGH	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Secondary	3.0	7.1	HIGH	CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CPE Matches

posthog>>posthog>>Versions before 0.3.7(exclusive)

cpe:2.3:a:posthog:posthog:*:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-89	Primary	zdi-disclosures@trendmicro.com

References

Hyperlink	Source	Resource
https://github.com/PostHog/posthog/commit/6e8f035f9acd339c5ba87ba6ea40fc1ab3053d42	zdi-disclosures@trendmicro.com	Patch
https://www.zerodayinitiative.com/advisories/ZDI-25-099/	zdi-disclosures@trendmicro.com	Third Party Advisory

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History