It's an old file, from back in the <4.* days. I find it very hard to believe that they would take a secure, working file and replace it with such a massive security hole - so there's every reason to assume that all WHMCS versions are affected.
The file in question is an old one, pre 4.* days. I can't imagine they would replace a secure, working file with the atrocity there now, so safest just to assume all versions are affected.
Yes, this is confirmed. After seeing the... utterly incompetant coding practices, I wouldn't trust just using Maintenance mode. I ripped down our entire install and just put up a placeholder for now.
http://localhost.re/p/whmcs-527-vulnerability
tl;dr - A rather gaping security hole in WHMCS. I've taken ours offline - strongly suggest other providers do the same.
True, but given that a CC "provider" likes to claim 'I've seen your racks, I know what you have'... I imagine hilarity would ensue if they tried to make an issue of whoever took that pic. Hypocrisy always makes for the best drama.
My stance was always about preventing repeat offense. New clients get the benefit of the doubt; one of my primary goals was preventing someone that had been terminated for.. spam, for example, to stay on topic.. from just opening a new account and going at it again. Our SBLs were a bit of a...