WooCommerce Patches Critical Vulnerability, Sending Forced Security Update from WordPress.org

WooCommerce 5.5.2 Fixes Performance Issues Found After Forced Security Update

Posted by WP Tavern on July 23, 2021 at 6:13 pm
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WooCommerce has shipped version 5.5.2 as a follow-up to the forced security update that patched a SQL Injection vulnerability last week. The vulnerability impacted versions 3.3 to 5.5 of the WooCommerce plugin, as well as versions 2.5 to 5.5 of the WooCommerce Blocks feature plugin. The team created a patch for more than 90 releases, which was sent as a forced security update from WordPress.org, due to the potential severity of impact for millions of WooCommerce installations. Shortly after the automatic update rolled out, many store owners started reporting serious performance issues on both WordPress.org and GitHub. Some users reported database crashes after receiving the automatic security patch in 5.5.1. One user reported a painfully slow, endless query that was “crippling to our operations,” with similar reports on GitHub of this same query “causing the entire server to go down.” Those with a large number of products in their databases were impacted more frequently. “We run a fairly big DB – 17k products,” one user said. “This has been a nightmare.” Store owners affected by this issue had resorted to downgrading to the previous releases at WooCommerce’s recommendation. They shared temporary workarounds to disable the query while WooCommerce investigated the issue. The problem was…

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