Cannot type into subtitle and content about Blog sometimes

• Type: Regression Bug
• Status: Closed
• Resolution: No Longer Reproducible
• Affects Version/s: 7.0.X EE, Master
• Fix Version/s: 7.0.X EE, Master
• Component/s: CKEditor
• Labels:
  • QA-AUTOMATION
  • front-end
• Story Points: 1
• Fix Priority: 4
• Browsers:
  Firefox (latest), Firefox 45 ESR
• QA Test Name:
  • WYSIWYGUsecase#AddBlogsEntryWithImageViaBlogsImages
• QA Test Score: 4

Steps to reproduce issue:

1. Add Blog portlet to one page.
2. Click Add blog Entry to add a new entry.
3. Click title field to type blog title.
4. Click subtitle field to type subtitle.
5. Click content field to type content.

Expected result: Able to type subtitle and content.
Actual result: Unable to type into subtitle and content fields. Refresh the page, then it will work as expected.

Same issue to add blog under Content.
Note: it is not reproduced everytime.