CVE-2025-1521 is an authenticated Server-Side Request Forgery (SSRF) vulnerability affecting PostHog, specifically within the slack_incoming_webhook parameter. This flaw, stemming from insufficient URI validation, allows authenticated attackers to disclose sensitive information and execute code in the context of the service account. With a CVSS score of 6.5 (Medium), it requires authentication but has a low attack complexity and high confidentiality impact. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.3.7CPE matchmatch criteria | cpe:2.3:a:posthog:posthog:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.