Prevented rare cases where HTML elements were unexpectedly removed or modified by the visual editor.
To ensure the integrity of the core files, only download legacy versions from the official repository.
Resolved conflicts that caused certain JavaScript functions in the WordPress admin area to fail on specific server configurations. Security Hardening download wordpress 3.5.1
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Suggested proper rewrite rules during the creation of new networks and fixed issues with scheduled posts stripping HTML video embeds. Prevented rare cases where HTML elements were unexpectedly
This version was mandatory at the time because it patched several vulnerabilities that affected all previous versions:
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Fixed a server-side request forgery (SSRF) vulnerability that could be used for remote port scanning.