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CVE-2023-3466 is a reflected cross-site scripting vulnerability affecting customer-managed Citrix NetScaler ADC and NetScaler Gateway appliances. Successful exploitation allows an attacker to cause malicious script supplied in a crafted request to be reflected by the appliance’s web application and executed in a victim’s browser within the security context of the affected interface. The issue was disclosed alongside other NetScaler vulnerabilities in July 2023 and is classified as high severity.
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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 Citrix ADC/Gateway vulnerability listed among CVEs discussed by the group.
A Citrix ADC / Citrix Gateway vulnerability referenced as part of the same July 2023 security bulletin, but not substantively described in the content.
Referenced in a Citrix security bulletin URL alongside CVE-2023-3519 and CVE-2023-3467, but not otherwise described in the content.
Vakava haavoittuvuus Citrix NetScaler ADC/Gateway -tuotteissa (tarkempi vaikutus ei ilmene annetusta sisällöstä).
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.