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    CVE-2023-0586

    The All in One SEO Pack plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple parameters in versions up to, and including, 4.2.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with Contributor+ role to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

    Published:Feb 24, 2023
    Last Modified:Apr 8, 2026
    EPS:Feb 24, 2023
    EPSS Score:0.00347
    CVSS Score:6.4

    Affected Products

    Vendor
    Aioseo
    Product
    All In One Seo

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-82884 (CVSS 6.8) — The All in One SEO WordPress plugin before 5.0.0.1 does not sanitise and escape some content stored in posts b…
    CVE-2026-10755 (CVSS 2.7) — The All in One SEO WordPress plugin before 4.9.9 does not correctly restrict access to some of its AI integra…
    CVE-2025-2892 (CVSS 6.4) — The All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic plugin for WordPress is vuln…
    CVE-2024-3368 (CVSS 6.1) — The All in One SEO WordPress plugin before 4.6.1.1 does not validate and escape some of its Post fields befor…
    CVE-2024-3554 (CVSS 6.4) — The All in One SEO – Best WordPress SEO Plugin – Easily Improve SEO Rankings & Increase Traffic plugin for Wor…
    CVE-2023-0585 (CVSS 4.4) — The All in One SEO Pack plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple paramet…
    CVE-2022-42494 (CVSS 3) — Server Side Request Forgery (SSRF) vulnerability in All in One SEO Pro plugin <= 4.2.5.1 on WordPress.…
    CVE-2022-38093 (CVSS 5.4) — Multiple Cross-Site Request Forgery (CSRF) vulnerabilities in All in One SEO plugin <= 4.2.3.1 at WordPress.…
    CVE-2021-25037 (CVSS 6.5) — The All in One SEO WordPress plugin before 4.1.5.3 is affected by an authenticated SQL injection issue, which …
    CVE-2021-25036 (CVSS 8.8) — The All in One SEO WordPress plugin before 4.1.5.3 is affected by a Privilege Escalation issue, which was disc…

    References

    https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/4.2.9/app/Common/Admin/PostSettings.php?v=2829340#L202
    https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2859011%40all-in-one-seo-pack%2Ftrunk&old=2847431%40all-in-one-seo-pack%2Ftrunk&sfp_email=&sfph_mail=
    https://www.wordfence.com/blog/2023/02/all-in-one-seo-pack-vulnerabilities-impacting-3-million-sites-patched/
    https://www.wordfence.com/threat-intel/vulnerabilities/id/1c13f00e-3048-44cf-8979-2b0b0c508f3a?source=cve
    https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/4.2.9/app/Common/Admin/PostSettings.php?v=2829340#L202
    https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2859011%40all-in-one-seo-pack%2Ftrunk&old=2847431%40all-in-one-seo-pack%2Ftrunk&sfp_email=&sfph_mail=
    https://www.wordfence.com/threat-intel/vulnerabilities/id/1c13f00e-3048-44cf-8979-2b0b0c508f3a

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High