CVE-2019-25399 IPFire 2.21 Core Update 127 Stored XSS via extrahd.cgi

What is CVE-2019-25399?

CVE-2019-25399 is a medium-severity cross-site scripting vulnerability in IPFire, published on 18 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

IPFire 2.21 Core Update 127 contains multiple stored cross-site scripting vulnerabilities in the extrahd.cgi script that allow attackers to inject malicious scripts through the FS, PATH, and UUID parameters. Attackers can submit POST requests with script payloads in these parameters to execute arbitrary JavaScript in the context of authenticated administrator sessions.

Weakness: CWE-79

Which versions are affected by CVE-2019-25399?

It affects 1 product.

Products include Ipfire Ipfire.

How do I fix CVE-2019-25399?

No fix has been published for CVE-2019-25399 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2019-25399 being exploited?

There is no known exploitation of CVE-2019-25399 in the wild and no public exploit code.

Other vulnerabilities in IPFire

• CVE-2021-33393 Privilege escalation in n/a High 8.8
• CVE-2018-16232 Command injection in n/a High 8.8
• CVE-2017-9757 Command injection in n/a High 8.8
• CVE-2025-34311 IPFire < v2.29 Command Injection via Proxy Report Creation High 8.7
• CVE-2025-34312 IPFire < v2.29 Command Injection via URL Filter Blacklist High 8.7

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-pcm2-gfvw-8jpr.