Beganovich snappdf 1.1.0 before 6.1.0 OS Command Injection on Windows via setUrl()

Summary

Beganovich snappdf from 1.1.0 before 6.1.0 contains an OS command injection vulnerability on Windows that allows attackers to run commands by influencing the rendered URL. Attackers can supply cmd.exe metacharacters such as & in the setUrl() value, which executeOnWindows() passes unescaped to PHP exec(), executing commands as the PHP process.

Evidence

The maintainer accepted the patch submitted with the report and merged the fix.

Remediation

Upgrade snappdf to 6.1.0 or later.

References

• VulnCheck advisoryhttps://www.vulncheck.com/advisories/beganovich-snappdf-1.1.0-before-6.1.0-os-command-injection-on-windows-via-seturl
• Fix pull requesthttps://github.com/beganovich/snappdf/pull/54
• Vulnerable codehttps://github.com/beganovich/snappdf/blob/v6.0.0/src/Snappdf.php#L280-L284
• CVE recordhttps://www.cve.org/CVERecord?id=CVE-2026-110646