WHMCS WHMCompleteSolution 5.1.13/5.2.12 Input Sanitizer class.admin.php unserialize cross site scripting
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.7 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, was found in WHMCS WHMCompleteSolution 5.1.13/5.2.12. This affects the function unserialize
of the file includes/classes/class.admin.php of the component Input Sanitizer. The manipulation 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 confidentiality, integrity, and availability.
The weakness was presented 11/02/2013 by Saadat Ullah as WHMCS <=5.2.12 PHP Object Injection as not defined blog post (Blog). The advisory is shared at security-geeks.blogspot.dk. The public release happened without involvement of WHMCS. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.
After immediately, there has been an exploit disclosed. It is declared as proof-of-concept. By approaching the search of inurl:includes/classes/class.admin.php it is possible to find vulnerable targets with Google Hacking.
Upgrading to version 5.1.14 or 5.2.13 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Cross site scriptingCWE: CWE-80 / CWE-74 / CWE-707
ATT&CK: T1059.007
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Google Hack: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍
Upgrade: WHMCompleteSolution 5.1.14/5.2.13
Timeline
11/02/2013 🔍11/02/2013 🔍
11/21/2013 🔍
11/21/2013 🔍
11/26/2013 🔍
03/23/2019 🔍
Sources
Advisory: WHMCS <=5.2.12 PHP Object InjectionResearcher: Saadat Ullah
Status: Not defined
Confirmation: 🔍
Secunia: 55717 - WHMCS "unserialize()" PHP Code Execution and Multiple Unspecified Vulnerabilitie, Moderately Critical
OSVDB: 100087
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 11/26/2013 13:33Updated: 03/23/2019 11:04
Changes: 11/26/2013 13:33 (53), 03/23/2019 11:04 (5)
Complete: 🔍
Committer: olku
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