CVE-2023-32325
Cross-site scripting in PostHog-js
PostHog-js is a library to interface with the PostHog analytics tool. Versions prior to 1.57.2 have the potential for cross-site scripting. Problem has been patched in 1.57.2. Users are advised to upgrade. Users unable to upgrade should ensure that their Content Security Policy is in place.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Cross-site scripting in PostHog-js
PostHog-js is a library to interface with the PostHog analytics tool. Versions prior to 1.57.2 have the potential for cross-site scripting. Problem has been patched in 1.57.2. Users are advised to upgrade. Users unable to upgrade should ensure that their Content Security Policy is in place.
- Record
CVE-2023-32325- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2023-1501
PostHog-js is a library to interface with the PostHog analytics tool. Versions prior to 1.57.2 have the potential for cross-site scripting. Problem has been patched in 1.57.2. Users are advised to upgrade. Users unable to upgrade should ensure that their Content Security Policy is in place.
- Record
EUVD-2023-1501- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8775-5hwv-wr6v
Potential for cross-site scripting in PostHog-js
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.
- Record
GHSA-8775-5hwv-wr6v- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
PostHog-js is a library to interface with the PostHog analytics tool. Versions prior to 1.57.2 have the potential for cross-site scripting. Problem has been patched in 1.57.2. Users are advised to upgrade. Users unable to upgrade should ensure that their Content Security Policy is in place.
- Record
CVE-2023-32325- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Cross-site scripting in PostHog-js
PostHog-js is a library to interface with the PostHog analytics tool. Versions prior to 1.57.2 have the potential for cross-site scripting. Problem has been patched in 1.57.2. Users are advised to upgrade. Users unable to upgrade should ensure that their Content Security Policy is in place.
- Record
CVE-2023-32325- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVGHSA-8775-5hwv-wr6v
Potential for cross-site scripting in PostHog-js
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.
- Record
GHSA-8775-5hwv-wr6v- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
posthog-jsnpm |
before 1.57.2 | 1.57.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-32325 is a medium vulnerability (CVSS 5.4) in Posthog Posthog-js, published May 22, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.43%, the 37th percentile. Fixed in posthog-js 1.57.2.
References
github.com/PostHog/posthog-js/security/advisories/GHSA-8775-5hwv-wr6v
nvd.nist.gov/vuln/detail/CVE-2023-32325