> For the complete documentation index, see [llms.txt](https://hacking-notes.jord4n.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hacking-notes.jord4n.pro/cms/wordpress-cms-exploitation/situation-information-leakage-blockycore.jar.md).
# Scenario - Information Leakage (BlockyCore.jar)
WordPress plugin information leakage through BlockyCore.jar extraction and credential discovery.
**Directory Enumeration with Gobuster:**
Use **Gobuster** to enumerate directories on the target web server.
```bash
gobuster dir -u http://blocky.htb/ -w /usr/share/SecLists/Discovery/Web-Content/directory-list-2.3-medium.txt -t 100
```
A directory named **plugins** is discovered.
**Download and Extract BlockyCore.jar:**
Download **BlockyCore.jar**, which appears to be a custom plugin, then extract it.
```java
jar xf BlockyCore.jar
```
#### Decompiling BlockyCore.class
The extracted content includes **BlockyCore.class**. Decompile it with **javap** to inspect the contents.
```bash
javap -c BlockyCore.class
```
A set of database credentials is found:
* **localhost**
* **root**
* **8YsqfCTnvxAUeduzjNSXe22**
#### Database Access Through phpMyAdmin
Using the extracted credentials, log in to **phpMyAdmin** and find a database table containing the user **notch**.
---
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