{"id":"CVE-2025-49590","state":"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.","publishedAt":"2025-06-18T22:14:06.323Z","updatedAt":"2025-06-23T16:41:36.205Z","severity":{"score":2.9,"label":"Low","version":"4.0","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","source":"GitHub_M"},"assigner":"GitHub_M","products":["cryptpad cryptpad"],"affected":[{"vendor":"cryptpad","product":"cryptpad","versions":[{"version":"< 2025.3.0","status":"affected"}]}],"references":["https://github.com/cryptpad/cryptpad/security/advisories/GHSA-vq9h-x3gr-v8rj","https://github.com/cryptpad/cryptpad/commit/d5e4830ba104a4a442cb23aab5378b8565a95607","https://github.com/cryptpad/cryptpad/blob/15c81aa8ccb737a9a1167481f4a699af331364bb/www/bounce/main.js#L64-L95"],"weaknesses":["CWE-692"],"ingestedAt":"2026-10-29T20:09:23.771Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/49xxx/CVE-2025-49590.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-49590","state":"PUBLISHED","datePublished":"2025-06-18T22:14:06.323Z","dateUpdated":"2025-06-23T16:41:36.205Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-06-06T15:44:21.556Z"},"containers":{"cna":{"title":"CryptPad Dom-Based Cross-Site Scripting (XSS) Vulnerability","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"cryptpad","product":"cryptpad","versions":[{"version":"< 2025.3.0","status":"affected"}]}],"references":[{"url":"https://github.com/cryptpad/cryptpad/security/advisories/GHSA-vq9h-x3gr-v8rj","name":"https://github.com/cryptpad/cryptpad/security/advisories/GHSA-vq9h-x3gr-v8rj","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/cryptpad/cryptpad/commit/d5e4830ba104a4a442cb23aab5378b8565a95607","name":"https://github.com/cryptpad/cryptpad/commit/d5e4830ba104a4a442cb23aab5378b8565a95607","tags":["x_refsource_MISC"]},{"url":"https://github.com/cryptpad/cryptpad/blob/15c81aa8ccb737a9a1167481f4a699af331364bb/www/bounce/main.js#L64-L95","name":"https://github.com/cryptpad/cryptpad/blob/15c81aa8ccb737a9a1167481f4a699af331364bb/www/bounce/main.js#L64-L95","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","baseScore":2.9,"baseSeverity":"LOW","vectorString":"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","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-692","lang":"en","description":"CWE-692: Incomplete Denylist to Cross-Site Scripting","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2025-06-18T22:14:06.323Z"},"source":{"advisory":"GHSA-vq9h-x3gr-v8rj","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-06-23T16:41:16.269183Z","id":"CVE-2025-49590","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-06-23T16:41:36.205Z"}}]}}}