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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.

PUBLISHED Reserved 2026-02-18 | Published 2026-02-18 | Updated 2026-02-19 | Assigner VulnCheck




MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
MEDIUM: 6.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Problem types

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

IPFire 2.21 - Core Update 127
affected

Credits

Ozer Goker finder

References

www.exploit-db.com/exploits/46344 (ExploitDB-46344) exploit

www.ipfire.org (IPFire Official Website) product

downloads.ipfire.org/.../ipfire-2.21.x86_64-full-core127.iso (IPFire 2.21 Core Update 127 Download) patch

www.vulncheck.com/...e-core-update-stored-xss-via-extrahdcgi (VulnCheck Advisory: IPFire 2.21 Core Update 127 Stored XSS via extrahd.cgi) third-party-advisory

cve.org (CVE-2019-25399)

nvd.nist.gov (CVE-2019-25399)

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