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TI-2026-27139 Aliases CVE-2026-34907GHSA-vxh9-pjmh-2356

Reflected Cross-Site Scripting (XSS) in Wirtualna Uczelnia

Priority LOW 29CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Wirtualna Uczelnia is vulnerable to Reflected Cross‑Site Scripting (XSS) due to insecure handling of the locale parameter across multiple endpoints. An attacker can craft a malicious URL with JavaScript embedded in the locale parameter and send it to a victim. When the victim opens the link, the injected script will be executed in their browser. This issue affects Wirtualna Uczelnia versions up to wu#2016.437.295#0#20260327_105545

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00285 21st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Simple SAWirtualna Uczelniaup to wu#2016.437.295#0#20260327_105545—No fix listedCNA
  • Wirtualna Uczelnia VendorSimple SA Affected up to wu#2016.437.295#0#20260327_105545 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-34907
  2. 2026-10-03 Alias added: GHSA-vxh9-pjmh-2356

References

Advisory 1

Other 1

  • TI-2026-27138 Server-Side Template Injection (SSTI) in Wirtualna Uczelnia CVSS 4.0CRITICAL 9.3
  • TI-2025-11134 RCE in Wirtualna Uczelnia CVSS 4.0CRITICAL 9.3
  • TI-2026-00925 SQL Injection in SIMPLE.ERP CVSS 4.0HIGH 8.6
  • TI-2024-08140 Privilege Escalation in SIMPLE.ERP CVSS 4.0HIGH 7.7
  • TI-2024-08139 Protocol Downgrade in SIMPLE.ERP CVSS 4.0HIGH 8.3
  • TI-2025-08561 SQL Injection in SIMPLE.ERP CVSS 4.0HIGH 7.1
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences