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CVE-2026-15128 is a high-severity universal cross-site scripting vulnerability in the Forms component of Google Chrome. In Chrome versions prior to 150.0.7871.115, an inappropriate implementation flaw allows a remote attacker to inject arbitrary script or HTML by causing a target to process a crafted HTML page. The issue is described as UXSS, indicating that attacker-controlled content can execute in an unintended browser security context rather than being confined to the originating page.
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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.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
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.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity inappropriate implementation vulnerability in Chrome's Forms component.
A high-severity inappropriate implementation vulnerability in Chrome's Forms component.
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.