Wpbullet - A Static Code Analysis From Russian Carders

[R_Alex]

A static code analysis for WordPress Plugins/Themes (and PHP)
Installation
Simply clone the repository, install requirements and run the script

Code:
git clone https://github.com/webarx-security/wpbullet wpbullet
cd wpbullet
pip install -r requirements.txt
python wpbullet.py​

Usage
Available options:

Code:
--path (required) System path or download URL
Examples:
--path="/path/to/plugin"
--path="https://wordpress.org/plugins/example-plugin"
--path="https://downloads.wordpress.org/plugin/example-plugin.1.5.zip"

--enabled (optional) Check only for given modules, ex. --enabled="SQLInjection,CrossSiteScripting"
--disabled (optional) Don't check for given modules, ex. --disabled="SQLInjection,CrossSiteScripting"
--cleanup (optional) Automatically remove content of .temp folder after scanning remotely downloaded plugin
python wpbullet.py --path="/var/www/wp-content/plugins/plugin-name"
Click to expand...​

Click to expand...​

Creating modules
Creating a module is flexible and allows for override of the BaseClass methods for each module as well as creating their own methods
Each module in Modules directory is implementing properties and methods from core.modules.BaseClass, thus each module's required parameter is BaseClass
Once created, module needs to be imported in modules/__init__.py. Module and class name must be consistent in order to module to be loaded.
If you are opening pull request to add new module, please provide unit tests for your module as well.
Module template

Code:
Modules/ExampleVulnerability.py
from core.modules import BaseClass
class ExampleVulnerability(object):
# Vulnerability name
name = "Cross-site Scripting"
# Vulnerability severity
severity = "Low-Medium"
# Functions causing vulnerability
functions = [
"print"
"echo"
]
# Functions/regex that prevent exploitation
blacklist = [
"htmlspecialchars",
"esc_attr"
]
Click to expand...​

Click to expand...​

Overriding regex match pattern
Regex pattern is being generated in core.modules.BaseClass.build_pattern and therefore can be overwritten in each module class.
Modules/ExampleVulnerability.py

Code:
import copy
...
# Build dynamic regex pattern to locate vulnerabilities in given content
def build_pattern(self, content, file):
user_input = copy.deepcopy(self.user_input)
variables = self.get_input_variables(self, content)
if variables:
user_input.extend(variables)
if self.blacklist:
blacklist_pattern = r"(?!(\s?)+(.*(" + '|'.join(self.blacklist) + ")))"
else:
blacklist_pattern = ""
self.functions = [self.functions_prefix + x for x in self.functions]
pattern = r"((" + '|'.join(self.functions) + ")\s{0,}\(?\s{0,1}" + blacklist_pattern + ".*(" + '|'.join(user_input) + ").*)"
return pattern
Click to expand...​

Click to expand...​

Testing
Running unit tests:

Code:
python3 -m unittest​

Download Wpbullet

Regards:
Roman alex
ICQ: 78010000

 

[workcard4money]

A static code analysis for WordPress Plugins/Themes (and PHP)
Installation
Simply clone the repository, install requirements and run the script

​

Code:​

git clone https://github.com/webarx-security/wpbullet wpbullet​

cd wpbullet​

pip install -r requirements.txt​

python wpbullet.py​

Usage
Available options:

​

Code:​

--path (required) System path or download URL​

Examples:​

--path="/path/to/plugin"​

--path="https://wordpress.org/plugins/example-plugin"​

--path="https://downloads.wordpress.org/plugin/example-plugin.1.5.zip"​

​

--enabled (optional) Check only for given modules, ex. --enabled="SQLInjection,CrossSiteScripting"​

--disabled (optional) Don't check for given modules, ex. --disabled="SQLInjection,CrossSiteScripting"​

--cleanup (optional) Automatically remove content of .temp folder after scanning remotely downloaded plugin​

python wpbullet.py --path="/var/www/wp-content/plugins/plugin-name"​

Click to expand...​

Click to expand...​

Creating modules
Creating a module is flexible and allows for override of the BaseClass methods for each module as well as creating their own methods
Each module in Modules directory is implementing properties and methods from core.modules.BaseClass, thus each module's required parameter is BaseClass
Once created, module needs to be imported in modules/__init__.py. Module and class name must be consistent in order to module to be loaded.
If you are opening pull request to add new module, please provide unit tests for your module as well.
Module template

​

Code:​

Modules/ExampleVulnerability.py​

from core.modules import BaseClass​

class ExampleVulnerability(object):​

# Vulnerability name​

name = "Cross-site Scripting"​

# Vulnerability severity​

severity = "Low-Medium"​

# Functions causing vulnerability​

functions = [​

"print"​

"echo"​

]​

# Functions/regex that prevent exploitation​

blacklist = [​

"htmlspecialchars",​

"esc_attr"​

]​

Click to expand...​

Click to expand...​

Overriding regex match pattern
Regex pattern is being generated in core.modules.BaseClass.build_pattern and therefore can be overwritten in each module class.
Modules/ExampleVulnerability.py

​

Code:​

import copy​

...​

# Build dynamic regex pattern to locate vulnerabilities in given content​

def build_pattern(self, content, file):​

user_input = copy.deepcopy(self.user_input)​

variables = self.get_input_variables(self, content)​

if variables:​

user_input.extend(variables)​

if self.blacklist:​

blacklist_pattern = r"(?!(\s?)+(.*(" + '|'.join(self.blacklist) + ")))"​

else:​

blacklist_pattern = ""​

self.functions = [self.functions_prefix + x for x in self.functions]​

pattern = r"((" + '|'.join(self.functions) + ")\s{0,}\(?\s{0,1}" + blacklist_pattern + ".*(" + '|'.join(user_input) + ").*)"​

return pattern​

Click to expand...​

Click to expand...​

Testing
Running unit tests:

​

Code:​

python3 -m unittest​

Download Wpbullet

Regards:
Roman alex
ICQ: 78010000

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