| Component | OpenClaw |
| Severity | medium (CVSS 6.1) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| Published (NVD) | 2026-06-16 |
| Last modified | 2026-06-17 |
| Affected versions | openclaw < 2026.5.12 openclaw = 2026.5.12 openclaw = 2026.5.12 openclaw = 2026.5.12 openclaw = 2026.5.12 openclaw = 2026.5.12 |
| Fixed in | 2026.5.12 |
| Weakness | CWE-83 |
| CISA KEV | not listed |
NVD description
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.
What to do
- Upgrade OpenClaw to
2026.5.12or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-53841
- https://github.com/openclaw/openclaw/security/advisories/GHSA-w9hf-3pp7-pvxv
- https://www.vulncheck.com/advisories/openclaw-cross-site-scripting-via-unsafe-markdown-links-in-exported-session-html
Read more
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