WordPress plugin Jetpack launched a essential security replace earlier right this moment, addressing a vulnerability that allowed a logged-in person to entry varieties submitted by different guests to the positioning.
Jetpack is a well-liked WordPress plugin by Automattic that gives instruments to boost web site performance, security, and efficiency. In response to the seller, the plugin is put in on 27 million web sites.
The difficulty was found throughout an inner audit and impacts all Jetpack variations since 3.9.9, launched in 2016.
“Throughout an inner security audit, we discovered a vulnerability with the Contact Kind characteristic in Jetpack ever since model 3.9.9, launched in 2016,” reads the security bulletin.
“This vulnerability could possibly be utilized by any logged in customers on a website to learn varieties submitted by guests on the positioning.”
Automattic has launched fixes for 101 impacted variations of Jetpack, all listed beneath:
13.9.1, 13.8.2, 13.7.1, 13.6.1, 13.5.1, 13.4.4, 13.3.2, 13.2.3, 13.1.4, 13.0.1, 12.9.4, 12.8.2, 12.7.2, 12.6.3, 12.5.1, 12.4.1, 12.3.1, 12.2.2, 12.1.2, 12.0.2, 11.9.3, 11.8.6, 11.7.3, 11.6.2, 11.5.3, 11.4.2, 11.3.4, 11.2.2, 11.1.4, 11.0.2, 10.9.3, 10.8.2, 10.7.2, 10.6.2, 10.5.3, 10.4.2, 10.3.2, 10.2.3, 10.1.2, 10.0.2, 9.9.3, 9.8.3, 9.7.3, 9.6.4, 9.5.5, 9.4.4, 9.3.5, 9.2.4, 9.1.3, 9.0.5, 8.9.4, 8.8.5, 8.7.4, 8.6.4, 8.5.3, 8.4.5, 8.3.3, 8.2.6, 8.1.4, 8.0.3, 7.9.4, 7.8.4, 7.7.6, 7.6.4, 7.5.7, 7.4.5, 7.3.5, 7.2.5, 7.1.5, 7.0.5, 6.9.4, 6.8.5, 6.7.4, 6.6.5, 6.5.4, 6.4.6, 6.3.7, 6.2.5, 6.1.5, 6.0.4, 5.9.4, 5.8.4, 5.7.5, 5.6.5, 5.5.5, 5.4.4, 5.3.4, 5.2.5, 5.1.4, 5.0.3, 4.9.3, 4.8.5, 4.7.4, 4.6.3, 4.5.3, 4.4.5, 4.3.5, 4.2.5, 4.1.4, 4.0.7, 3.9.10
Web site house owners and admins who depend on Jetpack have to verify if their plugin has routinely upgraded to one of many variations listed above and carry out a handbook improve if it hasn’t.
Jetpack says there isn’t any proof that malicious actors exploited the flaw in its eight years of existence, nevertheless it advises customers to improve to a patched launch as quickly as doable.
“We have now no proof that this vulnerability has been exploited within the wild. Nonetheless, now that the replace has been launched, it’s doable that somebody will attempt to make the most of this vulnerability,” warned Jetpack.
Notice that there are not any mitigations or workarounds for this flaw, so making use of the out there updates is the one out there and advisable answer.
Technical particulars concerning the flaw and the way it may be exploited have been withheld for now to permit customers a while to use the security updates.
