Their website headers also whitelist a lot of domains including quite a handful that are known malware distributors. See for yourself: curl -I https://zoom.us
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Content-Security-Policy-Report-Only: default-src blob: 'self'; script-src 'unsafe-eval' 'unsafe-inline' blob: https://*.50million.club https://*.adroll.com https://*.cloudfront.net https://*.google.com https://*.hotjar.com https://*.zoom.us https://*.zoomus.cn https://*.zopim.com https://ad.lkqd.net https://ajax.aspnetcdn.com https://apiurl.org https://appsforoffice.microsoft.com https://assets.zendesk.com https://bat.bing.com https://cdn.5bong.com https://cdn.jsdelivr.net https://cdncache-a.akamaihd.net https://code.jquery.com https://connect.facebook.net https://consent.trustarc.com https://extnetcool.com https://fp166.digitaloptout.com https://googleads.g.doubleclick.net https://intljs.rmtag.com https://pi.pardot.com https://px.ads.linkedin.com https://ruanshi2.8686c.com https://rum-static.pingdom.net https://s.dcbap.com https://s.yimg.com https://s.ytimg.com https://s3.amazonaws.com https://scout-cdn.salesloft.com https://sealserver.trustwave.com https://secure-cdn.mplxtms.com https://secure.myshopcouponmac.com https://snap.licdn.com https://sp.analytics.yahoo.com https://srvvtrk.com https://static.zdassets.com https://static2.sharepointonline.com https://tag.demandbase.com https://tpc.googlesyndication.com https://tracking.g2crowd.com https://translate.googleapis.com https://trk.techtarget.com https://unpkg.com https://www.comeet.co https://www.dropbox.com https://www.google-analytics.com https://www.googleadservices.com https://www.googletagmanager.com https://www.gstatic.com https://www.youtube.com https://d.adroll.mgr.consensu.org https://serve2.cheqzone.com https://*.ada.support 'self'; img-src https: blob: data: 'self'; style-src https: 'unsafe-inline' 'self'; font-src https: data: 'self'; connect-src * data: 'self'; media-src * blob: 'self'; frame-src https: ms-appx-web: zoommtg: zoomus: 'self'
I understand the header causes logged reports, no actual policy enforcement, but still... I don't have a good read on their underlying concern here.
These extensions inject their own scripts into the page which will then fail based on the CSP and send a report to the server. In an ideal world you would just 'ignore' these reports server-side instead of whitelisting the domains.