guestbook.pl cleanses user-inserted SSI commands by removing text between "<!--" and…
Priority HIGH 74Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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 "-->".
Why it matters now
EPSS 0.85205 99th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apache:http_server:1.3.9:*:*:*:*:*:*:* | 1.3.9 | Vulnerable | Apache |
| cpe:2.3:a:matt_wright:matt_wright_guestbook:2.3:*:*:*:*:*:*:* | 2.3 | Vulnerable | Matt Wright |
- cpe:2.3:a:apache:http_server:1.3.9:*:*:*:*:*:*:* Versions 1.3.9 Vulnerable ·Apache
- cpe:2.3:a:matt_wright:matt_wright_guestbook:2.3:*:*:*:*:*:*:* Versions 2.3 Vulnerable ·Matt Wright
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-1999-1053
- 2026-10-03 Alias added: GHSA-7fhv-p5jq-2v6f
References
—
Sources
- CVE-1999-1053 · CVE Program
- CVE-1999-1053 · NVD
- FIRST EPSS
- GHSA-7fhv-p5jq-2v6f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences