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CVE-1999-1053
guestbook.pl cleanses user-inserted SSI commands by removing text between "<!--" and "-->" separators, which allows remote attackers to…
High7.5EPSS 85.2%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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 "-->".
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 85.2% · top 0.3% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (4)
- 19990913 Guestbook perl script (long) (opens in a new tab)mailing-listx_refsource_VULN-DEVx_transferred
- 776 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 19991105 Guestbook.pl, sloppy SSI handling in Apache? (VD#2) (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 19990916 Re: Guestbook perl script (error fix) (opens in a new tab)mailing-listx_refsource_VULN-DEVx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-1999-1053)Record last updated .