vBulletin up to 5.0.5 XMLRPC API /apilog.php cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in vBulletin up to 5.0.5. The impacted element is an unknown function of the file /apilog.php of the component XMLRPC API. This manipulation causes cross site scripting. The identification of this vulnerability is CVE-2014-2021. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability classified as problematic was found in vBulletin up to 5.0.5 (Forum Software). Affected by this vulnerability is an unknown functionality of the file /apilog.php of the component XMLRPC API. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity.

The weakness was shared 10/13/2014 by tintinweb as vBulletin 5.x/4.x - persistent XSS in AdminCP/ApiLog via xmlrpc API (post-auth) as confirmed posting (Full-Disclosure). The advisory is shared at github.com. This vulnerability is known as CVE-2014-2021 since 02/19/2014. The exploitation appears to be easy. The attack can be launched remotely. The successful exploitation needs a single authentication. It demands that the victim is doing some kind of user interaction. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

A public exploit has been developed by tintinweb (tintinweb) and been published immediately after the advisory. It is possible to download the exploit at github.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 272 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:apilog.php it is possible to find vulnerable targets with Google Hacking. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11663 (vBulletin Admincp/Apilog.php Persistent 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 (97026), Exploit-DB (40114), SecurityFocus (BID 70577†) and SecurityTracker (ID 1031000†). The entry VDB-108630 is related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Author: tintinweb (tintinweb)
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

01/14/2014 🔍
02/19/2014 +36 days 🔍
10/12/2014 +235 days 🔍
10/13/2014 +1 days 🔍
10/13/2014 +0 days 🔍
10/14/2014 +1 days 🔍
10/14/2014 +0 days 🔍
10/14/2014 +0 days 🔍
10/24/2014 +10 days 🔍
12/20/2024 +3710 days 🔍

Sourcesinfo

Advisory: vBulletin 5.x/4.x - persistent XSS in AdminCP/ApiLog via xmlrpc API (post-auth)
Researcher: tintinweb
Status: Confirmed

CVE: CVE-2014-2021 (🔍)
GCVE (CVE): GCVE-0-2014-2021
GCVE (VulDB): GCVE-100-67789
X-Force: 97026 - vBulletin apilog.php cross-site scripting, Medium Risk
SecurityFocus: 70577 - vBulletin '/apilog.php' Multiple HTML Injection Vulnerabilities
SecurityTracker: 1031000 - vBulletin Input Validation Flaw in XMLRPC API Permits Cross-Site Scripting Attacks

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

Entryinfo

Created: 10/14/2014 12:15
Updated: 12/20/2024 01:22
Changes: 10/14/2014 12:15 (68), 09/11/2017 08:54 (4), 02/21/2022 19:03 (3), 12/20/2024 01:22 (16)
Complete: 🔍
Cache ID: 216:FA5:103

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