The All in One SEO WordPress plugin before 4.1.5.3 is affected by an authenticated SQL injection issue, which was discovered during an internal audit by the Jetpack Scan team, and could grant attackers access to privileged information from the affected site’s database (e.g., usernames and hashed passwords).

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-25037
• https://jetpack.com/2021/12/14/severe-vulnerabilities-fixed-in-all-in-one-seo-plugin-version-4-1-5-3/
• https://plugins.trac.wordpress.org/changeset/2640944/all-in-one-seo-pack/trunk/app/Common/Api/PostsTerms.php
• https://wpscan.com/vulnerability/4cd2a57b-3e1a-4acf-aecb-201ed9f4ee6d