Jan 182018
 

Tara Seals reports:

MailChimp, the bulk email company responsible for sending millions of newsletters, promotional mail and other mass communiques every day, has been leaking respondents’ email addresses.

Security researcher Terence Eden found what he termed “an annoying privacy violation,” adding that the issue can expose personal information. The issue is this: When a respondent clicks a link in a MailChimp email, the browser opens the link and sends the newly visited webpage what is known as a “Referer Header” (the misspelling is intentional).

“This says, ‘Hello new site, I was referred here by this previous website,’” said Eden, in a blog. “This has some privacy implications – the administrator of a website can see which website you were on. Usually this is fairly benign, but it can leak sensitive information.”

Read more on InfoSecurity.

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