Medium severity6.1NVD Advisory· Published Jun 16, 2026· Updated Jun 16, 2026

CVE-2026-53841

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
openclawnpm	< 2026.5.12	2026.5.12

Affected products

OpenClaw/Openclawinferred2 versions
<2026.5.12+ 1 more
- (no CPE)range: <2026.5.12
- (no CPE)range: <2026.5.12

Patches

Vulnerability mechanics

References

News mentions

No linked articles in our index yet.

Severity

MediumCVSS v3.1

6.1/ 10

CVSS v42.1

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack vector: Network
Complexity: Low
Privileges: None
User interaction: Required
Scope: Changed
Confidentiality: Low
Integrity: Low
Availability: None

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected

Source repo: github.com/openclaw/openclaw

EPSS

Probability of exploitation in the next 30 days.

0.19%

VYPR risk score

Composite of severity, exploitation, and reach.

0.33medium

cvss	0.397
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000

Weaknesses

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-83
Improper Neutralization of Script in Attributes in a Web Page

CVE ID

CVE-2026-53841

Credits

Y
YLChen-007
reporter · ghsa