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CVE-2026-66421 is a stored cross-site scripting vulnerability in OpenClaw Dashboard 1.1.0. The flaw arises from agent transcript messages submitted through the sessions API being stored and later rendered on the default landing page using unsanitized HTML insertion into innerHTML. An unauthenticated remote attacker can inject crafted HTML markup containing inline event-handler JavaScript that fits within the application's message rendering constraints. When an administrator views the affected page, the stored payload executes in the administrator's browser context. This enables attacker-controlled script execution within the authenticated administrative session and creates a path to compromise administrative functionality exposed through the web interface.
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What an attacker gets, and what they’ve been doing with it.
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No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.