CVE-2026-32040
MEDIUMOpenClaw < 2026.2.23 - HTML Injection via Unvalidated Image MIME Type in Data-URL Interpolation
Title source: cnaDescription
OpenClaw versions prior to 2026.2.23 contain an html injection vulnerability in the HTML session exporter that allows attackers to execute arbitrary javascript by injecting malicious mimeType values in image content blocks. Attackers can craft session entries with specially crafted mimeType attributes that break out of the img src data-URL context to achieve cross-site scripting when exported HTML is opened.
References (3)
Core 3
Core References
Third Party Advisory third-party-advisory
GitHub Security Advisory (GHSA-2ww6-868g-2c56)
https://github.com/openclaw/openclaw/security/advisories/GHSA-2ww6-868g-2c56
Third Party Advisory third-party-advisory
VulnCheck Advisory: OpenClaw < 2026.2.23 - HTML Injection via Unvalidated Image MIME Type in Data-URL Interpolation
https://www.vulncheck.com/advisories/openclaw-html-injection-via-unvalidated-image-mime-type-in-data-url-interpolation
Scores
CVSS v3
4.6
EPSS
0.0003
EPSS Percentile
8.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (3)
npm/openclaw
0 - 2026.2.23npm
OpenClaw/OpenClaw
< 2026.2.23
OpenClaw/OpenClaw
2026.2.23
Published
Mar 19, 2026
Tracked Since
Mar 20, 2026