I am writing this to warn you of a serious security problem om your website. You have a SQL injection vulnerability here:
http://www.ci.vallejo.ca.us/GovSite/default.asp?serviceID1=79'
This was published on Oct 26 by a criminal hacker, who is encouraging others to attack your website:
http://pastebin.com/4fBLSpQz
Your website is likely to be defaced, and your data is likely to be stolen.
Please take prompt action to defend your website.
If you would like to talk to me about this, feel free. My contact information is below.