CVE-1999-1053 — HIGH severity vulnerability (guestbook.pl cleanses user-inserted SSI commands by removing)
guestbook.pl cleanses user-inserted SSI commands by removing text between "<!--" and "-->" separators, which allows remote attackers to execute arbitrary commands when guestbook.pl is run on Apache 1.3.9 and possibly other versions, since Apache allows other closing sequences besides "-->".
| CVE ID | CVE-1999-1053 |
|---|---|
| Severity | HIGH |
| CVSS score | 7.5 |
| CVSS vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| CWE | NVD-CWE-Other |
| Status | Modified |
| Published | 1999-09-13 |
| Last modified | 2026-04-16 |
| Description | guestbook.pl cleanses user-inserted SSI commands by removing text between "<!--" and "-->" separators, which allows remote attackers to execute arbitrary commands when guestbook.pl is run on Apache 1.3.9 and possibly other versions, since Apache allows other closing sequences besides "-->". |
| Source | NIST National Vulnerability Database |
🔍 Search all vulnerabilities →
$999/mo
Try CVECheck →