Cross-site scripting in PostHog-js
Priority LOW 28CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00429 37th percentileScored 2026-11-07
Fix Fixed posthog-js (PostHog): 1.57.2posthog-js (npm): 1.57.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| PostHog | posthog-js | before 1.57.2 | 1.57.2 | Patch available | CNA |
| — | posthog-js (npm) | before 1.57.2 | 1.57.2 | Patch available | GHSA-8775-5hwv-wr6v |
- posthog-js VendorPostHog Affected before 1.57.2 Fixed in 1.57.2 Patch available CNA
- posthog-js (npm) Vendor— Affected before 1.57.2 Fixed in 1.57.2 Patch available GHSA-8775-5hwv-wr6v
Remediation
- Fix · CNA posthog-js (PostHog) Fixed in 1.57.2
- Fix · GHSA-8775-5hwv-wr6v posthog-js (npm) Fixed in 1.57.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-32325
- 2026-10-03 Alias added: GHSA-8775-5hwv-wr6v
References
Advisory 2
Sources
- CVE-2023-32325 · CVE Program
- CVE-2023-32325 · NVD
- FIRST EPSS
- GHSA-8775-5hwv-wr6v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences