Code_13x ( Jelison Fernandes ) @code_13x
Security Researcher || Bug Hunter || H1 Clear Verified || CVE-2025-20258 linkedin.com/in/jelison-fer… Joined January 2022-
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Yay, I was awarded a $20,000 bounty on @HackerOx01! for a critical bug exposing Secret private conversation files of all users. Severity: Critical For more: tinyurl.com/jelison #TogetherWeHitHarder #hackerone #bugbounty #bugbountytips #bugbountytip #infosec #Hacking
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Ranked #45 on the HackerOne Leaderboard for Highest Critical Reputation! Excited to keep hunting and making an impact in the bug bounty community #hackerone #BugBounty #BugBountytips #BugBountytip #infosec #CyberSec #bughunter #API #CyberSecuritytips #ethicalhacking
Yay, I was awarded a $2,500 bounty on @HackerOx01! #TogetherWeHitHarder Severity: Medium #bugbounty #infosec #CyberSecurity #bughunting #hackerone #bugbountytips #CyberSecuritytips #bugbountytip Tip: check every user inputs
Got my @Hacker0x01 swag for hitting 750 & 1500 reputation #bugbounty #hackerone #bugbountytips
Code_13x ( Jelison Fernandes ) retweeted
Our first private contract in collaboration with @code_13x #bugbountytips #pentrationtesting #vapt
My first CVE-2025-20258 in Cisco Duo Authentication sec.cloudapps.cisco.com/security/cente… #BugBounty #EthicalHacking #hackerone @Hacker0x01
Yay, I was awarded a $1,638 bounty on @HackerOx01! #TogetherWeHitHarder Severity: Medium 4.4 #bugbounty #infosec #CyberSecurity #bughunting #hackerone #bugbountytips #CyberSecuritytips #bugbountytip Tip: The longer you stay, the closer you get to the bug
While testing, I unintentionally went out of scope and discovered a critical vulnerability which could impact millions of users in a third-party service. And now Will be assigning a CVE-ID #cve #ResponsibleDisclosure #infosec #bugbounty #CyberSecurity
Yay, I was awarded a $15,000 bounty on @Hacker0x01 TIP:- User names can be Pll — especially in high-value targets $15K #bugbountytip #bugbounty #bugbountytips #hacker0ne #infosec #hackerone #TogetherWeHitHarder @0xKaran @CyberBeast10100
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