Posts
Account Takeover in Canvas Apps served in Comet due to failure in Cross-Window-Message Origin validation
DOM-XSS in Instant Games due to improper verification of supplied URLs
Account takeover of Facebook/Oculus accounts due to First-Party access_token stealing
Multiple bugs chained to takeover Facebook Accounts which uses Gmail.
More secure Facebook Canvas Part 2: More Account Takeovers
Multiple bugs allowed malicious Android Applications to takeover Facebook/Workplace accounts
More secure Facebook Canvas : Tale of $126k worth of bugs that lead to Facebook Account Takeovers
Oversightboard.com site-wide CSRF due to missing checking
Disclose unconfirmed email/phone of a Facebook user
Oculus SSO "Account Linking" bug leads to account takeover on third party websites and inside VR Games/Apps
One-click reflected XSS in www.instagram.com due to unfiltered URI schemes leads to account takeover
Identify a Facebook user by his phone number despite privacy settings set
Account takeover of Instagram accounts due to unrestricted permissions of third-party application's generated tokens
Facebook account takeover due to unsafe redirects after the OAuth flow
Facebook account takeover due to a bypass of allowed callback URLs in the OAuth flow
Facebook account takeover due to a wide platform bug in ajaxpipe responses
Expose Facebook object type (including private objects)
Expose information about Partner accounts in Partner portal
Ability to find Facebook employee's test accounts which lead to the disclosure of internal information.
Disclose internal CMS objects content
Confirm if an invitation is sent to a specific email in Partners Portal / Possibility to resend the invitation
XSS in Facebook CDN due to improper filtering of uploaded files extensions
Enumerate internal cached URLs which lead to data exposure
Leaking Facebook user information to external websites / Setting some cookies values
Open redirect in Instagram.com
Access private information about SparkAR effect owners who has a publicly viewable portfolio
Make recruiting referrals on behalf of employees
Leak of internal categorySets names and employees test accounts.
Delete linked payments accounts of a Facebook page (or user)
Access files uploaded by employees to internal CDNs / Regenerate URL signature of user uploaded content.
URLs in img tag aren't passed through safe_image.php which lead to exposure of Facebook users IPs.
View orders and financial reports lists for any page shop
Expose the email address of Workplace users
XSS on forums.oculusvr.com leads to Oculus and Facebook account takeovers
Bad regex used in Facebook Javascript SDK leads to account takeovers in websites that included it
Facebook DOM Based XSS using postMessage
Disclose content of internal Facebook javascript modules ( Revisited )
Admin disclosure of Facebook verified pages/ Disclose Facebook employee assigned to help a verified page.
Privilege escalation in Partners Portal to Admin access
Internal directories enumeration in www
Disclose the Instagram account linked to a Facebook user account or page
Disclose internal files related to testing of some Facebook tools
Exposure of Facebook object type by knowing the object ID
Add draft subtitles to any Facebook video and Full Path Disclosure
Generate valid signatures for files hosted in Facebook CDNs.
Ability to bruteforce Instagram account's password due to lack of rate limitation protection
Facebook CSRF bug which lead to Instagram Partial account takeover.
Cross-Site Websocket Hijacking bug in Facebook that leads to account takeover
Reflected XSS in graph.facebook.com leads to account takeover in IE/Edge
HTML to PDF converter bug leads to RCE in Facebook server.
Internal path disclosure in Instagram server
Access portal of Facebook mobile retailers and see earnings and referrals reports.
Send emails on behalf of legal_noreply@fb.com
Download predictions details of ads plans of any business.
View orders and financial reports lists for any page shop.
Disclose files content from Facebook internal CDNs
Disclose the content of internal Facebook Javascript modules.
Bypass password confirmation in Facebook "DYI" feature
Facebook CSRF protection bypass which leads to Account Takeover.
Export Facebook audience network reports of any business
Leak of private/in-development app ids, names and translation requests
Internal paths disclosure due to improper exception handling
Enroll in Facebook Ad-break program without Facebook approval
Disclose page violations and its eligibility to use Ad-breaks
Disclose page's admins and its Monetization payout details
Disclose Instagram business account linked to a Facebook page
Change payment account of any Facebook commerce page
Expose business email and payment account balance of any Facebook commerce page.
Bruteforce Instagram account's passwords (lack of rate limiting protection).
Reveal if a Facebook merchant page has pending or completed orders.
Generate Access Tokens for any Facebook user
Modify users profiles of techprep.fb.com
Uploading files to api.techprep.fb.com
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