{"id":"CVE-2026-116823","title":"YesWiki before 4.7.0 Reflected XSS via BazarField $_REQUEST Fallback","summary":"YesWiki before 4.7.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject JavaScript by supplying query parameters matching missing Bazar field names. Attackers can craft links where Baz…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cvssSource":"cna","cwe":["CWE-79"],"vendor":"YesWiki","product":"yeswiki","affected":["yeswiki < 4.7.0"],"published":"2026-10-26","updated":"2026-10-26","sourceUpdated":"2026-10-26T23:05:49.182Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116823","references":[{"url":"https://github.com/YesWiki/yeswiki/security/advisories/GHSA-hcvp-q8fx-84mc","label":"GitHub Security Advisory (GHSA-hcvp-q8fx-84mc)"},{"url":"https://www.vulncheck.com/advisories/yeswiki-before-4.7.0-reflected-xss-via-bazarfield-request-fallback","label":"VulnCheck Advisory: YesWiki before 4.7.0 Reflected XSS via BazarField $_REQUEST Fallback"}],"tags":["cve.org"],"epss":0.00179,"epssPercentile":0.07393,"ingestedAt":"2026-10-27T16:11:59.147Z","slug":"CVE-2026-116823","body":"## Overview\n\nYesWiki before 4.7.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject JavaScript by supplying query parameters matching missing Bazar field names. Attackers can craft links where BazarField::getValue() falls back to unsanitized $_REQUEST values rendered via Twig |raw templates, performing same-origin authenticated actions in victims' sessions.\n\n## Affected\n\n- `yeswiki < 4.7.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}