{"id":"CVE-2026-34598","title":"YesWiki is a wiki system written in PHP","summary":"YesWiki is a wiki system written in PHP. Prior to version 4.6.0, a stored and blind XSS vulnerability exists in the form title field. A malicious attacker can inject JavaScript without any authentication via a form title that is saved in…","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","cwe":["CWE-79","CWE-87"],"vendor":"yeswiki","product":"yeswiki","affected":["yeswiki < 4.6.0"],"patched":["yeswiki 4.6.0"],"published":"2026-04-02","updated":"2026-10-06","sourceUpdated":"2026-10-06T22:10:00.247","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-34598","references":[{"url":"https://github.com/YesWiki/yeswiki/releases/tag/v4.6.0","label":"security-advisories@github.com"},{"url":"https://github.com/YesWiki/yeswiki/security/advisories/GHSA-37fq-47qj-6j5j","label":"security-advisories@github.com"}],"tags":["nvd"],"epss":0.00314,"epssPercentile":0.22185,"ingestedAt":"2026-10-06T22:23:15.912Z","slug":"CVE-2026-34598","body":"## Overview\n\nYesWiki is a wiki system written in PHP. Prior to version 4.6.0, a stored and blind XSS vulnerability exists in the form title field. A malicious attacker can inject JavaScript without any authentication via a form title that is saved in the backend database. When any user visits that injected page, the JavaScript payload gets executed. This issue has been patched in version 4.6.0.\n\n## Affected\n\n- `yeswiki < 4.6.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `yeswiki 4.6.0`","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}