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Code Fix: Authentication fails when you log into K2 with Forms STS

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Issue Description


When your password contains < or > and you attempt to log into K2 with Forms STS, the password will display on the screen and the authentication request will fail.

Error Message


The following error occurs: “A potentially dangerous Request.Form value was detected from the client Password”.

Resolution

The fix is available in the following K2 versions:

K2 4.7 March 2018 Cumulative Update K2 Five (5.0) September 2018 Cumulative Update K2 Five (5.1) November 2018 Cumulative Update K2 Five (5.2) May 2019 Cumulative Update K2 Five (5.3)
X X X X Fix Pack 31
  1. Ensure you have the correct K2 version and/or Cumulative Update installed. See KB001893 to see what Fix Pack level you have installed.
  2. Download the latest Fix Pack using the links in the table above for the version you require.
  3. Install the Fix Pack to apply the fix.