What is CVE-2026-53841?

CVE-2026-53841 is a medium-severity vulnerability in Openclaw, classified under Improper Neutralization of Script in Attributes in a Web Page. CVSS score: 6.1/10. Published 2026-06-16.

How severe is CVE-2026-53841?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Openclaw

CVE-2026-53841

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…

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Openclaw — versions 0, 2026.5.12

Weakness classification (CWE)

CWE-83 — Improper Neutralization of Script in Attributes in a Web Page

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-53841?: CVE-2026-53841 is a medium-severity vulnerability in Openclaw, classified under Improper Neutralization of Script in Attributes in a Web Page. CVSS score: 6.1/10. Published 2026-06-16.
How severe is CVE-2026-53841?: Medium severity. CVSS v3 base score is 6.1 out of 10.