Levcgi.com MyGuestbook 1.0 HTML Field username/comments HTML injection
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.7 | $0-$5k | 0.00 |
Summary
A vulnerability described as problematic has been identified in Levcgi.com MyGuestbook 1.0. The affected element is an unknown function of the component HTML Field Handler. The manipulation of the argument username/comments results in HTML injection. This vulnerability was named CVE-2002-0732. The attack may be performed from remote. In addition, an exploit is available.
Details
A vulnerability was found in Levcgi.com MyGuestbook 1.0. It has been classified as critical. Affected is an unknown code block of the component HTML Field Handler. The manipulation of the argument username/comments with an unknown input leads to a html injection vulnerability. CWE is classifying the issue as CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Cross-site scripting vulnerability in MyGuestbook 1.0 allows remote attackers to execute arbitrary script or inject HTML via fields such as (1) user name or (2) comments.
The bug was discovered 04/30/2002. The weakness was presented 08/12/2002 (Website). The advisory is available at archives.neohapsis.com. This vulnerability is traded as CVE-2002-0732. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details and a public exploit are known. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.
The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 104 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 10620 (MyGuestbook Script Injection Vulnerability).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the databases at X-Force (8968), Exploit-DB (21433), SecurityFocus (BID 4651†), OSVDB (8394†) and Vulnerability Center (SBV-6389†). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 5.7
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: HTML injectionCWE: CWE-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Qualys ID: 🔍
Qualys Name: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
04/30/2002 🔍04/30/2002 🔍
08/12/2002 🔍
08/12/2002 🔍
08/12/2002 🔍
12/12/2004 🔍
07/22/2014 🔍
09/14/2025 🔍
Sources
Advisory: archives.neohapsis.comStatus: Not defined
Confirmation: 🔍
CVE: CVE-2002-0732 (🔍)
GCVE (CVE): GCVE-0-2002-0732
GCVE (VulDB): GCVE-100-18618
X-Force: 8968
SecurityFocus: 4651 - MyGuestbook Script Injection Vulnerability
OSVDB: 8394 - MyGuestbook - Script Injection Issue
Vulnerability Center: 6389 - XSS in LEVCGI.COM MyGuestbook 1.0 via Name or Comments Field, Medium
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 07/22/2014 22:55Updated: 09/14/2025 07:11
Changes: 07/22/2014 22:55 (59), 06/04/2019 06:25 (3), 08/22/2024 12:35 (25), 09/14/2025 07:11 (4)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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