CVE-2026-53841

EUVD-2026-37143
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 8%
Affected Products (NVD)
VendorProductVersion
openclawopenclaw
𝑥
< 2026.5.12
openclawopenclaw
2026.5.12:beta1
openclawopenclaw
2026.5.12:beta2
openclawopenclaw
2026.5.12:beta3
openclawopenclaw
2026.5.12:beta4
openclawopenclaw
2026.5.12:beta5
openclawopenclaw
2026.5.12:beta6
openclawopenclaw
2026.5.12:beta7
openclawopenclaw
2026.5.12:beta8
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
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