CVE-2026-53841

Name: CVE-2026-53841
Creator: NVD / NIST
Published: 2026-06-16T19:17:00.993+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.1/10EPSS 0.19%

Last modified Jun 17, 2026

CVE-2026-53841 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. 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.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.1/10

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

CVSS 4.0

2.1/10

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

EPSS Probability

0.19%

8.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-83

Affected Software

Vendor	Product	Versions	Update
Openclaw	Openclaw	< 2026.5.12	—
Openclaw	Openclaw	2026.5.12	Beta1

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-w9hf-3pp7-pvxvVendor Advisory
https://www.vulncheck.com/advisories/openclaw-cross-site-scripting-via-unsafe-markdown-links-in-exported-session-htmlThird Party Advisory

Timeline

Published: Jun 16, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-53841?

How severe is CVE-2026-53841?

CVE-2026-53841 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2026-53841?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-53841?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST