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CVE-2025-58486 is a cross-site scripting vulnerability in the Samsung Account application prior to version 15.5.01.1. The flaw is caused by improper validation of user-supplied input, allowing arbitrary script injection and execution within the context of the application's current WebView. Public reporting indicates the issue can be triggered without authentication and was demonstrated against Samsung Galaxy S25 devices, while related research showed it could be used as part of a broader exploit chain affecting multiple Samsung Galaxy models. In exploit chains, the vulnerability was used to coerce Samsung Account into connecting to an attacker-controlled website, enabling script execution inside the app context and facilitating subsequent abuse of trusted inter-application behavior.
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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 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.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability in Samsung Account used in the exploit chain to redirect the application to an attacker-controlled site as part of a multi-stage compromise.
A vulnerability in the Samsung Account application that allows an attacker to force the app to connect to an attacker-controlled website as part of a multi-stage exploit chain.
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.