Unrated severityNVD Advisory· Published Feb 18, 2026· Updated Mar 5, 2026
IPFire 2.21 Core Update 127 Cross-Site Scripting via ovpnmain.cgi
CVE-2019-25398
Description
IPFire 2.21 Core Update 127 contains multiple cross-site scripting vulnerabilities in the ovpnmain.cgi script that allow attackers to inject malicious scripts through VPN configuration parameters. Attackers can submit POST requests with script payloads in parameters like VPN_IP, DMTU, ccdname, ccdsubnet, DOVPN_SUBNET, DHCP_DOMAIN, DHCP_DNS, DHCP_WINS, ROUTES_PUSH, FRAGMENT, KEEPALIVE_1, and KEEPALIVE_2 to execute arbitrary JavaScript in administrator browsers.
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Affected products
2Patches
Vulnerability mechanics
References
4- downloads.ipfire.org/releases/ipfire-2.x/2.21-core127/ipfire-2.21.x86_64-full-core127.isomitrepatch
- www.exploit-db.com/exploits/46344mitreexploit
- www.vulncheck.com/advisories/ipfire-core-update-cross-site-scripting-via-ovpnmamitrethird-party-advisory
- www.ipfire.orgmitreproduct
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