CVE-1999-1053

High CVSS 7.5

Published 1999-09-13 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-1999-1053, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

guestbook.pl cleanses user-inserted SSI commands by removing text between "" 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 "-->".

Sources

NVD record for CVE-1999-1053

CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:P