Autoptimize vulnerabilities

Plugin slug autoptimize · 15 known vulnerabilities · latest disclosed 2026-10-01 · WordPress.org page

Every listed vulnerability has a fix. Version 3.1.16 or later is not affected by any of them. If your site runs an older version, update it.

6 of 15 rated high or critical (CVSS 7 or more).

Known vulnerabilities in Autoptimize

SeverityAffected versionsFixed inCVEPublishedDetails
Medium 5.4<= 3.1.15.13.1.16CVE-2026-784712026-10-01Advisory
High 7.2<= 3.1.15.13.1.16CVE-2026-149952026-09-30Advisory
High 7.2< 3.1.153.1.15CVE-2026-32202026-04-27Advisory
Medium 6.4<= 3.1.143.1.15CVE-2026-23522026-03-20Advisory
Medium 6.4<= 3.1.143.1.15CVE-2026-24302026-03-20Advisory
Medium 6.4<= 3.1.133.1.14CVE-2025-134012025-12-03Advisory
Medium 4.4<= 3.1.63.1.7CVE-2023-21132023-04-25Advisory
Medium 5.3<= 3.0.43.1.0CVE-2022-40572022-12-05Advisory
Medium 5.5<= 3.1.03.1.1CVE-2022-26352022-07-19Advisory
Medium 5.5< 2.8.42.8.4CVE-2021-243322021-05-07Advisory
Critical 9.8< 2.7.82.7.8CVE-2021-243762020-10-09Advisory
Medium 4.8< 2.7.82.7.8CVE-2021-243782020-10-09Advisory
High 8.1< 2.7.82.7.8CVE-2021-243772020-10-09Advisory
High 7.2<= 2.7.62.7.7CVE-2020-249482020-08-24Advisory
Critical 9.8<= 2.1.02.1.1none2017-06-19Advisory

Check if a site is affected

Enter a site address to see which version of Autoptimize and other plugins it runs, and whether they match a known vulnerability.

Questions

Is the Autoptimize plugin safe to use?

All 15 known issues are fixed in current versions (3.1.16 or later). Keeping it updated is what matters.

How do I check which version of Autoptimize my site runs?

In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.

How do I fix a vulnerable plugin?

Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.

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