The JVN released an advisory for the WordPress plugin WordPress Popular Posts stating that versions of the plugin prior to version 6.1.0 accepted “untrusted external inputs to update certain internal variables”, which they credited to Tsubasa Iinuma of Origami Systems. One of the changelog entries for that version is:

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This post provides insights on a vulnerability in the WordPress plugin WordPress Popular Posts not discovered by us, where the discoverer hadn't provided the details needed for us to confirm the vulnerability while we were adding it to the data set for our service, so the rest of its contents are limited to subscribers of our service.

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