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PresentedatBlackHatEuropeVirtual,,,pmDidyouknowthatcontrollingameaslyHTTPhyperlinkcanprovideafootholdintotheinnerworkingsofaPDF? XSS.(minutes)PDFdocumentsandPDFgeneratorsareubiquitousonthe,andsoareinjectionvulnerabilities.Activitystarswatchingforks.OferShezafOWASP ILChapterleaderCTO,BreachSecurity FredrikÖhlanderpdfsvgxssFileNocI2セフォタックス®注射用g/1g限定出荷解除のお知らせ医療関係者各 位日医工株式会社営業本部謹啓時下益々ご清栄のこととお慶び申し上げます。Missing:xssInthispaper,youwilllearnhowtouseasinglelinkto compromisethecontentsofaPDFandexfiltrateittoaremoteserver,justlikeablindXSSattackVulnerabilitiesfoundNopackagespublishedAlistofcrafted maliciousPDFfilestotestthesecurityofPDFreadersandtoolsLearnAWShackingfromzerotoherowithhtARTE(HackTricksAWSRedTeamExpert)! Contributetoynsmroztas/pdfsvgxsspayloaddevelopmentbycreatinganaccountonGitHubXSS(CrossSiteScripting)AbusingServiceWorkersPortableData exFiltration:XSSforPDFs.Thesedataarebasiclikefilepdfsvgxsspayload.(minutes)PDFdocumentsandPDFgeneratorsareLastmodifiedXSS.Packages. WhileworkingontheBookmachineofhackthebox(ScriptingTrack),IcameTheUniversalXSSPDFVulnerability.ContentSecurityPolicy(CSP)PDF InjectionHackTricksHackTricksReleasesFoxitPDFSDKFor( weeklyMissing:xssAboutIfthePDFfile,whichiscreatedsomewhereinthesite,thatis reflectedourpayloads,wecaninsertmaliciouscode(ify(on))">AnotherwayofdoingXSSbyfileuploadischangingthe“Metadata”ofthefileReport repositoryIfyourinputisbeingreflectedinsideaPDFfile,PayloadsAllThePDFsChromeCachetoXSSDebuggingClientSideJSIfyourinputisbeing reflectedinsideaPDFfile,youcantryNoreleasespublishedhttpOnlycookiesbI'llshowhowyoucaninjectPDFcodetoescapeobjects,hijacklinks,and evenexecutearbitraryJavaScriptbasicallyXSSwithintheboundsofaPDFdocumentInjectServer-SideXSSintodynamicallygeneratedPDFsBasicPresented atBlackHatEuropeVirtual,,,p.m.pdfsvgxsspayload.WhatIsIt?AbuginAdobeAcrobatReaderEnablesrunningmaliciousscriptsonavictimscomputer when(nearlyany)browserexecutedsuchalinkandusesacrobatinembeddedmode:http://host/anyname=javascript:yourcodeherePortableDataexFiltration: XSSforPDFsMetadataistheinformationofafilewhichmakesitsworkingandfindingeasier('test')">('test')">XSSPathDisclosureItisreallyacrosssite scriptingvulnerabilitybasedonPDFhttp://domain/pdfanyname=javascript:yourcodehereIfthePDFfile,whichiscreatedsomewhereinthesite,thatis reflectedourpayloads,wecaninsertmaliciouscodeBasicPDFXSSVulnerabilityAnyJavaScriptcodeisStarter:reboiledXSSCourse:spicyblacklists& filtersCourse:sweetcontentsniffingCourse:saltydefensesa