Strange Error [or hack attempt?] Please help!

[The_Big_K]

Hello,

One of our members got following error while surfing the forum as guest -

Click the URL to see the screenshot:

http://img237.imageshack.us/img237/3954/ceerror2.jpg

The error was temporary and was gone once she hit browser back button and then forward button to visit the page again.

Any suggestions? This is the first time we've noticed such error.

Addendum:

The forum runs on vBulletin 3.8.4 [no PL1], vBSEO latest.

[EvilAkuma]

There are a lot of glitches currently with Google Chrome. I suggest that she uses FireFox, IE, or Opera. You may ask her to use the default skin and ensure that she's not getting that error on default skin. If so, it could be the browser or a modification that triggers guests to see it.

[The_Big_K]

So, its Chrome that's causing all the error?

[EvilAkuma]

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