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Vulnerabilities

Security incident · CVE-2026-34907

Wirtualna Uczelnia is vulnerable to Reflected Cross‑Site Scripting (XSS) due to insecure handling of the locale parameter across multiple endpoints.

Published Jun 2, 2026 · catalog updated Jul 22, 2026 · Wirtualna Uczelnia is vulnerable

Check if you run it

No confirmed exploitation is on record for CVE-2026-34907. EPSS is 0.45%. Act only if a listed version of Wirtualna Uczelnia is vulnerable is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Wirtualna Uczelnia is vulnerable).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.45%
Remediation
Not established
Affected products
See sources for product scope

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

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-34907

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-34907. EPSS is 0.45%. Act only if a listed version of Wirtualna Uczelnia is vulnerable is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 0.45%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 2, 2026 · NIST NVD

    Detected

    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

  2. Jul 22, 2026 · NIST NVD

    Updated

    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

Sources

  • CVE.orgVulnerability recordCVE-2026-34907

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-34907

    30-day exploitation probability 0.5%

    first.org
  • NIST NVDVulnerability recordCVE-2026-34907

    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 ope

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.