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On May 28, 2023, our Wordfence Threat Intelligence team identified and began the responsible disclosure process for an Authentication Bypass vulnerability in miniOrange’s WordPress Social Login and Register plugin, which is actively installed on more than 30,000 WordPress websites. The vulnerability makes it possible for an unauthenticated attacker to gain access to any account on a site including accounts used to administer the site, if the attacker knows, or can find, the associated email address.
Wordfence Premium, Wordfence Care, and Wordfence Response users received a firewall rule to protect against any exploits targeting this vulnerability on June 2, 2023. Sites still using the free version of Wordfence will receive the same protection on July 2, 2023.
We contacted miniOrange on May 30, 2023, and received a response on June 2, 2023. After we provided full disclosure details, the developer released the first patch, which still contained a vulnerability, in version 7.6.4 on June 12, 2023. A fully patched version, 7.6.5, was released on June 14, 2023.