isharasamantha

Some Host unable to downgrade libxml2 older version.

This may helpful

see the workaround solution for this wordpress Problems with “<” via XMLRPC

Yes this is the bug of libxml2. we can not wait until fix it by xmlsoft.org.
This may helpful for you.
without worrying about libxml2 version , you can fix it adding some changes to wordpress ,this changes may apply to future release wordpress?

see the workaround solution for this wordpress Live Writer – <> issues

without worrying about libxml2 version , you can fix it adding some changes to wordpress ,this changes may apply to future release wordpress?

see the workaround solution for this wordpress XMLRPC posting problem fix

I have Fix this problem with libxml version 2.7.0 – 2.7.2.
Need to edit some files.
See the solution
WordPress patch for libxml2