{"cve":"CVE-2024-35234","nvd":{"published":"2024-07-03T19:15:04.123","modified":"2026-06-17T07:34:35.620","status":"Modified","description":"Discourse is an open-source discussion platform. Prior to version 3.2.3 on the `stable` branch and version 3.3.0.beta3 on the `tests-passed` branch, an attacker can execute arbitrary JavaScript on users’ browsers by posting a specific URL containing maliciously crafted meta tags. This issue only affects sites with Content Security Polic (CSP) disabled. The problem has been patched in version 3.2.3 on the `stable` branch and version 3.3.0.beta3 on the `tests-passed` branch. As a workaround, ensure CSP is enabled on the forum.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://github.com/discourse/discourse/commit/26aef0c288839378b9de5819e96eac8cf4ea60fd","https://github.com/discourse/discourse/commit/311b737c910cf0a69f61e1b8bc0b78374b6619d2","https://github.com/discourse/discourse/security/advisories/GHSA-5chg-hm8c-wc58","https://github.com/discourse/discourse/commit/26aef0c288839378b9de5819e96eac8cf4ea60fd","https://github.com/discourse/discourse/commit/311b737c910cf0a69f61e1b8bc0b78374b6619d2"],"products":["discourse:discourse"],"source":"nvd","synced_at":"2026-10-19T21:52:00.836172422+00:00"},"epss":{"cve":"CVE-2024-35234","score":0.00333,"percentile":0.26523,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}