{"id":"CVE-2026-53841","aliases":["GHSA-w9hf-3pp7-pvxv"],"url":"https://o3.security/vulnerability/CVE-2026-53841","summary":"OpenClaw < 2026.5.12 - Cross-Site Scripting via Unsafe Markdown Links in Exported Session HTML","details":"OpenClaw before 2026.5.12 contains a cross-site scripting vulnerability in exported session HTML that preserves unsafe javascript: and data: links in generated content. Attackers can execute browser-side scripts if a trusted operator opens the exported file and activates a malicious link.","published":"2026-06-16T18:04:54.028Z","modified":"2026-08-17T03:55:02.834697332Z","cvss":null,"epss":{"score":0.00188,"percentile":0.08573,"asOf":"2026-09-12"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"openclaw","fixedVersion":"2026.5.12"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53841.json"},{"type":"ADVISORY","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-w9hf-3pp7-pvxv"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53841"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/openclaw-cross-site-scripting-via-unsafe-markdown-links-in-exported-session-html"},{"type":"PACKAGE","url":"https://github.com/openclaw/openclaw"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-17T03:55:02.834697332Z"}}