CVE-1999-1549 — HIGH severity vulnerability (Lynx 2.x does not properly distinguish between internal and)
Lynx 2.x does not properly distinguish between internal and external HTML, which may allow a local attacker to read a "secure" hidden form value from a temporary file and craft a LYNXOPTIONS: URL that causes Lynx to modify the user's configuration file and execute commands.
| CVE ID | CVE-1999-1549 |
|---|---|
| Severity | HIGH |
| CVSS score | 7.8 |
| CVSS vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CWE | CWE-346 |
| Status | Modified |
| Published | 1999-11-16 |
| Last modified | 2026-04-16 |
| Description | Lynx 2.x does not properly distinguish between internal and external HTML, which may allow a local attacker to read a "secure" hidden form value from a temporary file and craft a LYNXOPTIONS: URL that causes Lynx to modify the user's configuration file and execute commands. |
| Source | NIST National Vulnerability Database |
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