XSS in Ipfire
CVE-2019-25398
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (14.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.000
Affected products
- Ipfire — versions 2.21, IPFire 2.21 - Core Update 127
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/46344 (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.ipfire.org (Product, product)
- downloads.ipfire.org/releases/ipfire-2.x/2.21-core127/ipfire-2.21.x86_64-full-c… (Product, patch)
- www.vulncheck.com/advisories/ipfire-core-update-cross-site-scripting-via-ovpnma (Third Party Advisory, Broken Link, third-party-advisory)
Frequently asked questions
- What is CVE-2019-25398?
- CVE-2019-25398 is a medium-severity vulnerability in Ipfire, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-02-18.
- How severe is CVE-2019-25398?
- Medium severity. CVSS v3 base score is 6.1 out of 10.