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CVE-2019-25398— IPFire 2.21 Core Update 127 Cross-Site Scripting via ovpnmain.cgi

Quick assessment

Affected
Ipfire IPFire
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IPFire是IPFire组织的一种开源 Linux 发行版。主要用作路由器和防火墙。 IPFire 2.21 Core Update 127版本存在跨站脚本漏洞，该漏洞源于ovpnmain.cgi脚本对VPN_IP、DMTU、ccdname、ccdsubnet、DOVPN_SUBNET、DHCP_DOMAIN、DHCP_DNS、DHCP_WINS、ROUTES_PUSH、FRAGMENT、KEEPALIVE_1和KEEPALIVE_2等VPN配置参数输入验证不足，可能导致跨站脚本攻击。

CVSS 6.1 · Medium EPSS 0.26% · P16

Affected Version Matrix 1

VendorProduct Version RangeStatus
Ipfire IPFire IPFire 2.21 - Core Update 127 affected
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I. Basic Information for CVE-2019-25398

Vulnerability Information
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Vulnerability Title
IPFire 2.21 Core Update 127 Cross-Site Scripting via ovpnmain.cgi
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
IPFire 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IPFire是IPFire组织的一种开源 Linux 发行版。主要用作路由器和防火墙。 IPFire 2.21 Core Update 127版本存在跨站脚本漏洞，该漏洞源于ovpnmain.cgi脚本对VPN_IP、DMTU、ccdname、ccdsubnet、DOVPN_SUBNET、DHCP_DOMAIN、DHCP_DNS、DHCP_WINS、ROUTES_PUSH、FRAGMENT、KEEPALIVE_1和KEEPALIVE_2等VPN配置参数输入验证不足，可能导致跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Ipfire IPFire IPFire 2.21 - Core Update 127 -

II. Public POCs for CVE-2019-25398

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III. Intelligence Information for CVE-2019-25398

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Exploits & Public PoCs for CVE-2019-25398 (1)

Other References for CVE-2019-25398 (1)

Same Patch Batch · Ipfire · 2026-02-18 · 5 CVEs total

CVE-2019-25399 6.4 MEDIUM IPFire 2.21 Core Update 127 Stored XSS via extrahd.cgi
CVE-2019-25397 6.1 MEDIUM IPFire 2.21 Core Update 127 Cross-Site Scripting via hosts.cgi
CVE-2019-25396 6.1 MEDIUM IPFire 2.21 Core Update 127 Reflected XSS via updatexlrator.cgi
CVE-2019-25400 5.4 MEDIUM IPFire 2.21 Core Update 127 Multiple XSS via fwhosts.cgi

IV. Related Vulnerabilities

Same product: IPFire
Same vendor: Ipfire
Same weakness: CWE-79

V. Comments for CVE-2019-25398

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