YaBB 1.40/1.41 index.php passwrd cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.9$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in YaBB 1.40/1.41. The impacted element is an unknown function of the file index.php. The manipulation of the argument passwrd results in cross site scripting. This vulnerability was named CVE-2002-1845. The attack may be performed from remote. In addition, an exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in YaBB 1.40/1.41 (Forum Software). Affected is an unknown function of the file index.php. The manipulation of the argument passwrd with an unknown input leads to a cross site scripting 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 integrity. CVE summarizes:

Cross-site scripting (XSS) vulnerability in index.php in Yet Another Bulletin Board (YaBB) 1.40 and 1.41 allows remote attackers to inject arbitrary web script or HTML via the password (passwrd) parameter.

The bug was discovered 10/18/2002. The weakness was presented 12/31/2002 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2002-1845 since 06/29/2005. 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. The MITRE ATT&CK project declares the attack technique as T1059.007.

The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 74 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:index.php it is possible to find vulnerable targets with Google Hacking. The commercial vulnerability scanner Qualys is able to test this issue with plugin 10840 (YaBB Login Cross-Site Scripting 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 (10406), Exploit-DB (21950), SecurityFocus (BID 6004†), OSVDB (31694†) and Vulnerability Center (SBV-13584†). See VDB-19489 for similar entry. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/18/2002 🔍
10/18/2002 +0 days 🔍
10/18/2002 +0 days 🔍
12/31/2002 +74 days 🔍
12/31/2002 +0 days 🔍
06/29/2005 +911 days 🔍
12/25/2006 +544 days 🔍
08/04/2014 +2779 days 🔍
09/01/2025 +4046 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2002-1845 (🔍)
GCVE (CVE): GCVE-0-2002-1845
GCVE (VulDB): GCVE-100-19488
X-Force: 10406
SecurityFocus: 6004 - YaBB Login Cross-Site Scripting Vulnerability
OSVDB: 31694 - YaBB - Login - Cross-Site Scripting Vulnerability
Vulnerability Center: 13584 - Yet Another Bulletin Board (YaBB) XSS via the password Parameter, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 08/04/2014 17:14
Updated: 09/01/2025 16:45
Changes: 08/04/2014 17:14 (61), 07/12/2019 16:28 (5), 02/06/2025 06:07 (21), 09/01/2025 16:45 (3)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!