{"id":"CVE-2023-32325","aliases":["EUVD-2023-1501","GHSA-8775-5hwv-wr6v"],"status":"published","title":"Cross-site scripting in PostHog-js","description":"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.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00429,"percentile":0.37595,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2023-05-22T20:35:03Z","modified":"2026-10-28T02:30:27Z","fixes":[{"ecosystem":"npm","package":"posthog-js","fixed_in":["1.57.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"posthog-js","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.57.2"}]}]},{"source":"osv","ecosystem":"npm","package":"posthog-js","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.57.2"}]}]}],"products":[{"vendor":"posthog","product":"posthog-js"}],"references":[{"url":"https://github.com/PostHog/posthog-js/security/advisories/GHSA-8775-5hwv-wr6v","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://github.com/PostHog/posthog-js/commit/67e07eb8bb271a3a6f4aa251382e4d25abb385a0","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://github.com/PostHog/posthog-js/pull/630","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-32325","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8775-5hwv-wr6v"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/32xxx/CVE-2023-32325.json","tags":["advisory"]},{"url":"https://github.com/PostHog/posthog-js","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-32325","title":"Cross-site scripting in PostHog-js","description":"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.","status":"published","published":"2023-05-26T23:00:17.88Z","modified":"2025-01-14T18:40:43.462Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:29.381004Z"}],"euvd":[{"id":"EUVD-2023-1501","description":"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.","status":"published","published":"2023-05-26T23:00:17Z","modified":"2025-01-14T18:40:43Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:04:19.424496Z"}],"ghsa":[{"id":"GHSA-8775-5hwv-wr6v","title":"Potential for cross-site scripting in PostHog-js","description":"### Impact\n\nPotential for cross-site scripting in `posthog-js`.\n\n### Patches\n\nThe problem has been patched in `posthog-js` version 1.57.2.\n\n### Workarounds\n\n- This isn't an issue for sites that have a Content Security Policy in place.\n- 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.\n\n### References\n\nWe will publish details of the vulnerability in 30 days as per our [security policy](https://posthog.com/handbook/company/security#policies).\n","status":"published","published":"2023-05-22T20:35:03Z","modified":"2023-11-12T05:01:39Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:37:21.209096Z"}],"nvd":[{"id":"CVE-2023-32325","description":"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.","status":"published","published":"2023-05-27T00:15:09.6Z","modified":"2026-06-17T05:58:34.573Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:08:03.200773Z"}],"osv":[{"id":"CVE-2023-32325","title":"Cross-site scripting in PostHog-js","description":"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.","status":"published","published":"2023-05-26T23:00:17.88Z","modified":"2026-10-28T02:30:27.991011024Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:31.790231Z"},{"id":"GHSA-8775-5hwv-wr6v","title":"Potential for cross-site scripting in PostHog-js","description":"### Impact\n\nPotential for cross-site scripting in `posthog-js`.\n\n### Patches\n\nThe problem has been patched in `posthog-js` version 1.57.2.\n\n### Workarounds\n\n- This isn't an issue for sites that have a Content Security Policy in place.\n- 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.\n\n### References\n\nWe will publish details of the vulnerability in 30 days as per our [security policy](https://posthog.com/handbook/company/security#policies).\n","status":"published","published":"2023-05-22T20:35:03Z","modified":"2026-09-10T03:50:01.254851114Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:42.077781Z"}]}}