Steps
- Install ReadingList browser extension
- Freshly logged into Wikipedia with
- Visit any page on enwiki
- Press the extension button to add the page to the default reading list
Expected result
Page added
Actual result
Pop up with "Failed to add page: Invalid CSRF token."
(I logged out and back in, cleared cookies, and restarted the browser, too.)
Environment
browser: Chrome 66 + FF Quantum 59
Web browser extension: latest on master (d6d6504) loaded locally via "load unpacked"