Internet Explorer 6 SP1 and earlier contains a cross-domain scripting/zone restriction bypass issue (aka “Script URLs Cross Domain”) where script from a less-privileged context can be evaluated in a different security domain, including the Local Machine Zone. The vulnerability can be triggered via multiple mechanisms that cause IE to load or reuse script-bearing URLs across domains/zones, including loading file: URLs containing JavaScript via NavigateAndFind or window.open, manipulating the base tag href for the _search window, loading the search window into an iframe, and leveraging cached javascript: URLs in browser history and then accessing them in the same frame as a target domain. This results in script execution in an unintended zone/domain, enabling cross-domain access and zone policy bypass.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No valid public exploits. Mallory filtered out 2 candidates 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.
No public activity tracked yet. Mallory keeps watching.
No public activity observed for this vulnerability.
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.