{"id":"CVE-2026-18320","state":"PUBLISHED","title":"CVE-2026-18320","description":"Readwise Reader for Android uses a sanitize-html configuration that permits all attributes on SVG and PATH elements due to a wildcard attribute rule. This configuration fails to remove script-capable attributes such as event handlers (e.g., 'onload', 'onerror'). An attacker could supply a document containing malicious SVG content that survives sanitization and executes script wher rendered in the Reader WebView, resulting in client-side cross-site scripting (XSS).","publishedAt":"2026-09-25T16:27:37.419Z","updatedAt":"2026-09-25T16:57:42.082Z","severity":{"score":6.1,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","source":"CISA-ADP"},"assigner":"certcc","products":["Readwise Reader"],"affected":[{"vendor":"Readwise","product":"Reader","versions":[{"version":"8.7.2","status":"affected","lessThan":"8.10.1","versionType":"custom"}]}],"references":["https://kb.cert.org/vuls/id/699627"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/18xxx/CVE-2026-18320.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-18320","state":"PUBLISHED","datePublished":"2026-09-25T16:27:37.419Z","dateUpdated":"2026-09-25T16:57:42.082Z","assignerShortName":"certcc","assignerOrgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateReserved":"2026-07-29T18:50:43.819Z"},"containers":{"cna":{"title":"CVE-2026-18320","descriptions":[{"lang":"en","value":"Readwise Reader for Android uses a sanitize-html configuration that permits all attributes on SVG and PATH elements due to a wildcard attribute rule. This configuration fails to remove script-capable attributes such as event handlers (e.g., 'onload', 'onerror'). An attacker could supply a document containing malicious SVG content that survives sanitization and executes script wher rendered in the Reader WebView, resulting in client-side cross-site scripting (XSS)."}],"affected":[{"vendor":"Readwise","product":"Reader","versions":[{"version":"8.7.2","status":"affected","lessThan":"8.10.1","versionType":"custom"}]}],"references":[{"url":"https://kb.cert.org/vuls/id/699627"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-79"}]},{"descriptions":[{"lang":"en","description":"CWE-625"}]}],"providerMetadata":{"shortName":"certcc","orgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateUpdated":"2026-09-25T16:27:37.419Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"VINCE 3.0.49","env":"prod","origin":"https://cveawg.mitre.org/api/cve/CVE-2026-18320"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"CHANGED","version":"3.1","baseScore":6.1,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-25T16:56:55.358504Z","id":"CVE-2026-18320","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","type":"CWE","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-25T16:57:42.082Z"}}]}}}