{"id":"CVE-2025-49590","aliases":["EUVD-2025-18910","GHSA-vq9h-x3gr-v8rj"],"status":"published","title":"CryptPad Dom-Based Cross-Site Scripting (XSS) Vulnerability","description":"CryptPad is a collaboration suite. Prior to version 2025.3.0, the \"Link Bouncer\" functionality attempts to filter javascript URIs to prevent Cross-Site Scripting (XSS), however this can be bypassed. There is an \"early allow\" code path that happens before the URI's protocol/scheme is checked, which a maliciously crafted URI can follow. This issue has been patched in version 2025.3.0.","severity":{"version":"4.0","score":2.9,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:P","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00329,"percentile":0.26393,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-692"],"published":"2025-06-18T22:14:06Z","modified":"2026-10-28T02:30:35Z","products":[{"vendor":"cryptpad","product":"cryptpad"},{"vendor":"xwiki","product":"cryptpad"}],"references":[{"url":"https://github.com/cryptpad/cryptpad/security/advisories/GHSA-vq9h-x3gr-v8rj","tags":["x_refsource_CONFIRM","Exploit","Vendor Advisory","advisory"]},{"url":"https://github.com/cryptpad/cryptpad/commit/d5e4830ba104a4a442cb23aab5378b8565a95607","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/cryptpad/cryptpad/blob/15c81aa8ccb737a9a1167481f4a699af331364bb/www/bounce/main.js#L64-L95","tags":["x_refsource_MISC","Product","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/49xxx/CVE-2025-49590.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-49590","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-49590","title":"CryptPad Dom-Based Cross-Site Scripting (XSS) Vulnerability","description":"CryptPad is a collaboration suite. Prior to version 2025.3.0, the \"Link Bouncer\" functionality attempts to filter javascript URIs to prevent Cross-Site Scripting (XSS), however this can be bypassed. There is an \"early allow\" code path that happens before the URI's protocol/scheme is checked, which a maliciously crafted URI can follow. This issue has been patched in version 2025.3.0.","status":"published","published":"2025-06-18T22:14:06.323Z","modified":"2025-06-23T16:41:36.205Z","cvss":[{"version":"4.0","score":2.9,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:P","level":"low","assessor":"cna"}],"cwes":["CWE-692"],"updated_at":"2026-11-02T14:32:24.825718Z"}],"euvd":[{"id":"EUVD-2025-18910","description":"CryptPad is a collaboration suite. Prior to version 2025.3.0, the \"Link Bouncer\" functionality attempts to filter javascript URIs to prevent Cross-Site Scripting (XSS), however this can be bypassed. There is an \"early allow\" code path that happens before the URI's protocol/scheme is checked, which a maliciously crafted URI can follow. This issue has been patched in version 2025.3.0.","status":"published","published":"2025-06-18T22:14:06Z","modified":"2025-06-23T16:41:36Z","cvss":[{"version":"4.0","score":2.9,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:P","level":"low"}],"updated_at":"2026-11-02T20:32:17.832534Z"}],"nvd":[{"id":"CVE-2025-49590","description":"CryptPad is a collaboration suite. Prior to version 2025.3.0, the \"Link Bouncer\" functionality attempts to filter javascript URIs to prevent Cross-Site Scripting (XSS), however this can be bypassed. There is an \"early allow\" code path that happens before the URI's protocol/scheme is checked, which a maliciously crafted URI can follow. This issue has been patched in version 2025.3.0.","status":"published","published":"2025-06-18T23:15:19.2Z","modified":"2026-06-17T09:31:32.89Z","cvss":[{"version":"4.0","score":2.9,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low","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-692"],"updated_at":"2026-11-02T14:11:13.247441Z"}],"osv":[{"id":"CVE-2025-49590","title":"CryptPad Dom-Based Cross-Site Scripting (XSS) Vulnerability","description":"CryptPad is a collaboration suite. Prior to version 2025.3.0, the \"Link Bouncer\" functionality attempts to filter javascript URIs to prevent Cross-Site Scripting (XSS), however this can be bypassed. There is an \"early allow\" code path that happens before the URI's protocol/scheme is checked, which a maliciously crafted URI can follow. This issue has been patched in version 2025.3.0.","status":"published","published":"2025-06-18T22:14:06.323Z","modified":"2026-10-28T02:30:35.068976102Z","cvss":[{"version":"4.0","score":2.9,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:P","level":"low"}],"cwes":["CWE-692"],"updated_at":"2026-11-02T15:44:50.037003Z"}]}}