I'm surprised with a lot of attacks comes just after 22 May.
82.53.119.185 CONTAMI Attempt to inject 'xoopsOption' was found. Attempt to inject 'xoopsConfig' was found. Injecting Null-byte '../../../../../../../../../../var/log/error_log ' found.
The 1st attack came from 166.111.249.39 and 87.6.115.177 on 2006/5/22 4:28.
(This is just after the report)
Someone attacks from 10 independent IPs.
What a popular site is PEAK XOOPS!
And you should learn how quick is Script Kiddie's attacks.
If you've installed Protector, check logs in Protect center.
Else, install it right now