It indicates an attacker attempted to exploit a HTML Injection vulnerability in phpMyAdmin. phpMyAdmin suffers from a programming error that can be exploited to steal cookie based authentication credentials. However in order for this attack to be successful, the attacker would have to force the victim to visit an HTML link containing the malicious code.
phpMyAdmin phpMyAdmin 2.6.3 -pl1 and earlier versions.
Disclosure or Modification of sensitive data
Apply appropriate patch from the vendor or Upgrade to non-vulnerable version if available.