CVE-2026-53841

OpenClaw < 2026.5.12 - Cross-Site Scripting via Unsafe Markdown Links in Exported Session HTML

State: Published
Severity: 2.1 Low
Published: Jun 16, 2026
Updated: Jun 17, 2026
Reserved: Jun 10, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	2.1 Low	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N	VulnCheck
3.1	6.1 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	VulnCheck

Weaknesses

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

Affected Products

Product	Versions
OpenClawOpenClaw	before 2026.5.12Affected 2026.5.12Not affected

References

GitHub Security Advisory (GHSA-w9hf-3pp7-pvxv)vendor-advisory
VulnCheck Advisory: OpenClaw < 2026.5.12 - Cross-Site Scripting via Unsafe Markdown Links in Exported Session HTMLthird-party-advisory

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