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CVE-2026-34907 is a reflected cross-site scripting vulnerability in Simple SA's Wirtualna Uczelnia. The flaw is caused by improper handling of the locale parameter across multiple endpoints, allowing untrusted input supplied in that parameter to be reflected into web responses without adequate neutralization. An attacker can craft a malicious URL containing JavaScript payloads in the locale parameter and deliver it to a target user. When the victim opens the link, the injected script executes in the victim's browser in the security context of the Wirtualna Uczelnia application. The issue affects Wirtualna Uczelnia versions up to and including wu#2016.437.295#0#20260327_105545.
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No public exploit code observed for this vulnerability.
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A reflected cross-site scripting vulnerability in Wirtualna Uczelnia caused by insecure handling of the locale parameter across multiple endpoints.
A reflected cross-site scripting vulnerability in Simple SA Wirtualna Uczelnia caused by improper handling of the locale parameter across multiple endpoints.
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.