{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2023-22455", "ASSIGNER": "security-advisories@github.com", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "Discourse is an option source discussion platform. Prior to version 2.8.14 on the `stable` branch and version 3.0.0.beta16 on the `beta` and `tests-passed` branches, tag descriptions, which can be updated by moderators, can be used for cross-site scripting attacks. This vulnerability can lead to a full XSS on sites which have modified or disabled Discourse\u2019s default Content Security Policy. Versions 2.8.14 and 3.0.0.beta16 contain a patch." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "cweId": "CWE-79" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "discourse", "product": { "product_data": [ { "product_name": "discourse", "version": { "version_data": [ { "version_value": "< 2.8.14", "version_affected": "=" }, { "version_value": ">= 2.9.0.beta0, < 3.0.0.beta16", "version_affected": "=" } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://github.com/discourse/discourse/security/advisories/GHSA-5rq6-466r-6mr9", "refsource": "MISC", "name": "https://github.com/discourse/discourse/security/advisories/GHSA-5rq6-466r-6mr9" }, { "url": "https://github.com/discourse/discourse/commit/692329896ac64d8581947e977202c243eef3b5a2", "refsource": "MISC", "name": "https://github.com/discourse/discourse/commit/692329896ac64d8581947e977202c243eef3b5a2" } ] }, "source": { "advisory": "GHSA-5rq6-466r-6mr9", "discovery": "UNKNOWN" }, "impact": { "cvss": [ { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H", "version": "3.1" } ] } }