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error404 | Security Researcher Profile


Security researcher error404 has already helped fix 868 vulnerabilities.



Researcher reputation:  280

Real name:
Manav Doshi

About me:
A Security Researcher

Contact email:
I encourage you to contact me ASAP so we can work together to quickly protect your users! All communication will be kept private.



[email protected]

Alternative Contacts:
[email protected]

Certifications & Diplomas:
CEH(Certified Ethical Hacker)
CPTE(Cetified Penetration Tester Engineer)

Experience in Application Security
1-3 years

Award / Bug Bounty I prefer:
I appreciate the following -

Bounty (PayPal)
Swag (T-Shirt, Goodies)
Vouchers(Amazon)
Offer of collaboration / Internship
or just a thanks!

Follow me on:
Twitter

Ethics and Rules:
Manav Doshi is required to abide by the ethics and rules of the Open Bug Bounty project. If you reasonably believe that rules are not respected, please report this to us.

Recommendations and Acknowledgements

@A1Dummy     25 April, 2020
    Twitter A1Dummy René from literaturkritik.de:
Thanks for finding the issue on our site and for making the web more secure!
@MartySoft     23 April, 2020
    Twitter MartySoft liquidmaker :
Thank you Error404 to find the XSS vulnerability on my side.
Communication was clear and friendly. Thank you for your personal work.
@podofcoffee     6 February, 2020
    Twitter podofcoffee Orbach from Booksprice:
Thank you for reporting a XSS vulnerability on our site. We were able to reproduce and fix it within 1 day, and fix it. Thanks for the clear communication..
@eingemaischt     31 January, 2020
    Twitter eingemaischt Philipp from IMI:
Thank you for reporting a XSS vulnerability on our portal. We were able to reproduce and fix it within 2 days.
@vavideode     30 January, 2020
    Twitter vavideode Vavideo from Vavideo:
Thank you for helping improving Vavideo! The xss vulnerability is fixed now.
@USM_au     29 January, 2020
    Twitter USM_au Peter Green from USM Pty Ltd:
Manav alerted us to a vulnerability on a server which we were able to research and rectify. Thanks for the detailed information about the problem.
@givemethespi     28 January, 2020
    Twitter givemethespi Renaud from Dogfinance:
Thanks a lot to Manav who discovered XSS vulnerabilities on our website. Very professional, his report was detailed and efficient.
@fredli74     30 July, 2020
    Twitter fredli74 Fredrik from Sonic Charge:
Thank you, Manav, for finding and explaining an XSS vulnerability we had on our site. Very nice and professional! Fixed and verified the same day.
@ElliotKendall1     28 January, 2020
    Twitter ElliotKendall1 Elliot Kendall from Emory University:
Thanks for reporting an information disclosure issue on our website.
@Error4071686411     12 January, 2020
    Twitter Error4071686411 Secure from Secure.io:
Thankyou for reporting xss vulnerabilties on the website.
:)

Shows the first 10 recommendations. See all.

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Honor Badges


Number of Secured Websites

10+ Secured Websites Badge
50+ Secured Websites Badge
500+ Secured Websites Badge
Web Security Veteran Badge
10+ Websites
50+ Websites
500+ Websites
WEB SECURITY VETERAN
1000+ Websites

Advanced Security Research

WAF Bypasser Badge
CSRF Master Badge
AppSec Logic Master Badge
Fastest Fix Badge
WAF Bypasser
CSRF Master
30+ Reports
AppSec Logic Master
30+ Reports
Fastest Fix
Fix in 24 hours

Outstanding Achievements

Secured OBB Badge
OBB Advocate Badge
Improved OBB Badge
Secured OBB
OBB Advocate
Improved OBB

Commitment to Remediate and Patch

Patch Master Badge
Patch Guru Badge
Patch Lord Badge
Patch Master
55% Patched
Patch Guru
65% Patched
Patch Lord
75% Patched

Recommendations and Recognition

REPUTABLE Badge
FAMOUS Badge
GLOBALLY TRUSTED Badge
REPUTABLE
10+ Recommends
FAMOUS
25+ Recommends
GLOBALLY TRUSTED
50+ Recommends

Distinguished Blog Author

Distinguished Blog Author Badge
Distinguished Blog Author Badge
Distinguished Blog Author Badge
1 Post
3 Posts
5+ Posts

Research Statistics



Total reports:2746
Total reports on VIP sites:111
Total patched vulnerabilities:868
Recommendations received:21
Active since:23.10.2019

Open Bug Bounty Certificate


Researcher Certificate

Reported Vulnerabilities

All Submissions VIP Submissions




No posts in blog yet










  Latest Patched

 28.03.2024 jarchi.me
 28.03.2024 auctionbidding.fcc.gov
 28.03.2024 moodle.wns.gov.il
 28.03.2024 th.adi.gov.il
 28.03.2024 montague-ma.gov
 28.03.2024 aparecida.sp.gov.br
 27.03.2024 nccupress.nccu.edu.tw
 26.03.2024 schedule.cc.nih.gov
 26.03.2024 floraargentina.edu.ar

  Latest Blog Posts

04.12.2023 by BAx99x
Unmasking the Power of Cross-Site Scripting (XSS): Types, Exploitation, Detection, and Tools
04.12.2023 by a13h1_
$1120: ATO Bug in Twitter’s
04.12.2023 by ClumsyLulz
How I found a Zero Day in W3 Schools
04.12.2023 by 24bkdoor
Hack the Web like a Pirate: Identifying Vulnerabilities with Style
04.12.2023 by 24bkdoor
Navigating the Bounty Seas with Open Bug Bounty

  Recent Recommendations

    20 March, 2024
    TechVitaverdura:
Great exchanges with this person, thank you for your help and your report
    20 March, 2024
    Mek:
He reported some vulnerabilities and oversights of security best practices on my small private project web page.
Was responsive to e-mail, unlike many other people, so yes, I can recommend him.
    20 March, 2024
    ztwo79:
We would like to thank Pooja for responsibly disclosing a Cross-Site Scripting (XSS) vulnerability in our website. Her prompt reporting and assistance in developing a fix were instrumental in ensuring the security of our users.
    16 March, 2024
    TorutheRedFox:
Thanks for the help with the XSS vulnerability. It was a quick fix.
    15 March, 2024
    adesignguy:
Reported an XSS vulnerability which was helpful and much appreciated. I have patched it now as soon as I saw the email which was forwarded onto me!