XWEB EVO before 5.6.2 contains a hardcoded backdoor password vulnerability that allows unauthenticated remote attackers to gain full administrative access to the built-in Administrator account. Attackers can authenticate using the hardcoded credential xwebevonewgeneration in a single request to obtain a complete admin session and full control over the application. This product line reached it's end of service date in March 2026.
CVSS Details
- CVSS 4.0 Base Score: 9.3
- CVSS 3.1 Base Score: 9.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
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