Support » Plugin: Gutenberg » White screen of death after migration

  • Resolved value2health



    After migrating the website from a local development environment to online development environment I get the white screen of death when I try to edit a post or page. The serverlog gives me the following error:

    Error [client] ModSecurity: [file "/etc/httpd/conf/modsecurity.d/rules/tortix/modsec/50_plesk_basic_asl_rules.conf"] [line "301"] [id "340149"] [rev "152"] [msg "Protected by Basic Non-Realtime WAF Rules: Potential Cross Site Scripting Attack"] [data "ecmascript"] [severity "CRITICAL"] Access denied with code 403 (phase 2). Pattern match "(?:< ?i?frame ?src ?= ?(?:ogg|gopher|data|php|zlib|(?:ht|f)tps?):/|(?:\\\\.add|\\\\@)import |asfunction\\\\:|background-image\\\\:|e(?:cma|xec)script|\\\\.fromcharcode|get(?:parentfolder|specialfolder)|\\\\.innerhtml|\\\\< ?input|(?:/|<) ?(?:java|live|j|vb)script!s| ..." at REQUEST_URI. [hostname ""] [uri "/wp-content/plugins/gutenberg/vendor/wp-polyfill-ecmascript.min.2ae96136.js"] [unique_id "W59N9ACZ95d3fNdTxLlY8gAAAAY"], referer:

    I’ve deactivated the other plugins add the problems still persists.

    Plugins I’m using:

    • Advanced Custom Fields
    • Contact Form 7
    • Imsanity
    • Gutenberg

    Any idea what cause of this problem is?

Viewing 2 replies - 1 through 2 (of 2 total)
  • Can’t help but I have the same problem!

    I have found the solutions. The server firewall blocked the file because it contained code the firewall deemed suspicious: “Potential Cross Site Scripting Attack”. Ive whitelisted the error ID and now the file is served.

Viewing 2 replies - 1 through 2 (of 2 total)
  • The topic ‘White screen of death after migration’ is closed to new replies.