Strange browser security issue when accessing a particular forum thread

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Graham Criddle | Forum Activity | Posted: Thu, Feb 11 2021 11:09 AM

When I access this thread - - Norton flags an intrusion attempt as below. I can access any other thread without any problem.

The details behind that are (shown in two screenshots as it doesn't all fit in a single window)

Does anyone have any idea what this means, why it only is triggered by accessing that particular thread, what - if anything - I ought to do about it?

Update: That thread has now gone onto three pages. Accessing the first or second page flags an issue but accessing the third does not!

Thanks, Graham 

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Dale E Heath | Forum Activity | Replied: Thu, Feb 11 2021 3:54 PM

This is what I get, but I'm clueless. This is with Norton Security.

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Rosie Perera | Forum Activity | Replied: Thu, Feb 11 2021 5:00 PM

Maybe there's some malware or an unsafe/suspect ad embedded in the thread?

I did a Google search for to see if there was a link to that site in that particular thread. It didn't find one, but it did show me that David Paul was having problems with back in March:

I'm kind of afraid to go to the thread you're referring to, in case there is malware in it. I don't use Norton but AVG, which might miss it.

It could also be a Firefox extension you've installed, if you're using Firefox as your browser:

Posts 9151

Thanks for reporting this. I found references to inside one of the posts on that thread and removed them.

It looks like they were most likely injected from the browser that composed the post, and are not coming from within the forum software itself (i.e., there's no compromise of the forum software). I'll be following up with the user who posted it.

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Graham Criddle | Forum Activity | Replied: Thu, Feb 11 2021 11:24 PM

Thanks Bradley - really appreciated.

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