Leszek Krupinski L-Forum 2.4.0 HTML Message From/E-Mail/Subject/Body HTML injection
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.3 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Leszek Krupinski L-Forum 2.4.0. It has been classified as problematic. This affects an unknown part of the component HTML Message Handler. This manipulation of the argument From/E-Mail/Subject/Body causes HTML injection. This vulnerability appears as CVE-2002-1458. The attack may be initiated remotely. There is no available exploit.
Details
A vulnerability was found in Leszek Krupinski L-Forum 2.4.0 (Forum Software). It has been declared as problematic. Affected by this vulnerability is an unknown code block of the component HTML Message Handler. The manipulation of the argument From/E-Mail/Subject/Body with an unknown input leads to a html injection vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. The summary by CVE is:
Cross-site scripting vulnerability in L-Forum 2.40 and earlier, when the "Enable HTML in messages" option is on, allows remote attackers to insert arbitrary script or HTML via message fields including (1) From, (2) E-Mail, (3) Subject and (4) Body.
The bug was discovered 08/14/2002. The weakness was presented 06/09/2003 by Ulf Harnhammar (Website). The advisory is shared at archives.neohapsis.com. This vulnerability is known as CVE-2002-1458. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.
The vulnerability was handled as a non-public zero-day exploit for at least 299 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 10892 (Leszek Krupinski L-Forum Message Header 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 (9838), SecurityFocus (BID 5462†), OSVDB (9228†) and Vulnerability Center (SBV-12048†). See VDB-20474 and VDB-20475 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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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: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/14/2002 🔍08/14/2002 🔍
06/09/2003 🔍
06/09/2003 🔍
06/09/2003 🔍
06/27/2006 🔍
08/11/2014 🔍
09/05/2025 🔍
Sources
Advisory: archives.neohapsis.comResearcher: Ulf Harnhammar
Status: Not defined
CVE: CVE-2002-1458 (🔍)
GCVE (CVE): GCVE-0-2002-1458
GCVE (VulDB): GCVE-100-20473
X-Force: 9838
SecurityFocus: 5462 - Leszek Krupinski L-Forum Message Header Script Injection Vulnerability
OSVDB: 9228 - L-Forum "Enable HTML in messages" cross-site scripting
Vulnerability Center: 12048 - L-Forum XSS via From, E-Mail, Subject \x26 Body Fields, Medium
See also: 🔍
Entry
Created: 08/12/2014 00:43Updated: 09/05/2025 18:14
Changes: 08/12/2014 00:43 (60), 06/21/2019 10:18 (3), 09/05/2025 18:14 (18)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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