Potential for cross-site scripting in PostHog-js
Date: 2023-05
Affected: npm/posthog-js
Attack vector: xss
Category: vulnerability-disclosure
Severity: Medium
CVE: CVE-2023-32325
CWE: CWE-79
CVSS: 5.4 (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)

### Impact Potential for cross-site scripting in `posthog-js`. ### Patches The problem has been patched in `posthog-js` version 1.57.2. ### Workarounds - This isn't an issue for sites that have a Content Security Policy in place. - Using the HTML tracking snippet on PostHog Cloud always guarantees the latest version of the library – in that case no action is required to upgrade to the patched version. ### References We will publish details of the vulnerability in 30 days as per our [security policy](https://posthog.com/handbook/company/security#policies).


Mitigations:

Architectural layers (MAESTRO):