CVE-2025-58412 is a basic cross-site scripting vulnerability in Fortinet FortiADC caused by improper neutralization of script-related HTML tags in a web page. The flaw affects the virtual server's default error page and can be triggered via a crafted URL. Affected versions include FortiADC 8.0.0, FortiADC 7.6.0 through 7.6.3, all versions of FortiADC 7.4, and all versions of FortiADC 7.2. The issue is exploitable by an unauthenticated attacker and results from insufficient sanitization of attacker-controlled input before it is reflected in the generated error 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.
2 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.