Omega-PSIR Reflected XSS Patched
A reflected XSS vulnerability in Omega-PSIR, reported via CERT Polska's coordinated disclosure process, was fixed in version 4.6.7.
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What to check
- Applies to
- The 1 CVE named below. Whether you run an affected version is not assessed: check the versions the source lists.
- Exploitation
- No exploitation in the wild and no public exploit is recorded for the CVEs named.
CERT Polska coordinated the disclosure of CVE-2026-1434, a reflected cross-site scripting vulnerability affecting the Omega-PSIR software. The flaw resides in the handling of the 'lang' parameter, which fails to properly sanitize user input, allowing an attacker to craft a malicious URL that executes arbitrary JavaScript in a victim's browser when opened.
The vulnerability was responsibly reported by researcher Łukasz Rybak and addressed by the vendor in version 4.6.7. There is no indication of active exploitation in the wild; this is a standard coordinated vulnerability disclosure with a patch already available. Organizations using Omega-PSIR should update to the fixed version to mitigate the risk.
Mentioned in this report
Source reporting: https://cert.pl/en/posts/2026/02/CVE-2026-1434
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