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All in One SEO

All in One SEO adds tools for managing WordPress search optimization, metadata, sitemaps, and related settings.

All in One SEO (all-in-one-seo) is a WordPress plugin with 9 published CVE records in this archive. The latest tracked vulnerability was published Sep 02, 2026; the highest published CVSS base score is 8.8.

Plugin slug: all-in-one-seo

CVE-2026-82884: All in One SEO contributors can store script in post metadata

All in One SEO before 5.0.0.1 does not sanitize and escape some post content before rendering it in the editor. A Contributor or higher can store script that executes when a higher-privileged user edits the affected post.

PublishedSep 02, 2026
Known safe version5.0.0.1
Published vulnerabilities for all-in-one-seo
Safe version
Sep 02, 2026 CVE-2026-82884
All in One SEO contributors can store script in post metadata
All in One SEO before 5.0.0.1 does not sanitize and escape some post content before rendering it in the editor. A Contributor or higher can store script that executes when a higher-privileged user edits the affected post.
5.0.0.1
CVE6.8
NVDPending
Jul 20, 2026 CVE-2026-10755
All in One SEO: A security weakness
All in One SEO is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is < 4.9.9.
4.9.9
CVE2.7
NVDPending
May 20, 2026 CVE-2026-5075
All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic: Sensitive information exposure
All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic is affected by sensitive information exposure. Exploitation requires an authenticated contributor account. Successful exploitation can disclose data that should not be available to the caller. The published affected range is <= 4.9.7.
See mitigation notes
CVE4.3
NVDPending
May 19, 2025 CVE-2025-2892
All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic: Cross-site scripting
All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic is affected by cross-site scripting. Exploitation requires an authenticated contributor account. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
See mitigation notes
CVE6.4
NVD5.4
May 20, 2024 CVE-2024-3368
All in One SEO: Cross-site scripting
All in One SEO is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
See mitigation notes
CVE6.1
NVDPending
May 02, 2024 CVE-2024-3554
All in One SEO – Best WordPress SEO Plugin – Easily Improve SEO Rankings & Increase Traffic: Cross-site scripting
All in One SEO – Best WordPress SEO Plugin – Easily Improve SEO Rankings & Increase Traffic is affected by cross-site scripting. Exploitation requires an authenticated contributor account. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
See mitigation notes
CVE6.4
NVD5.4
Jan 17, 2022 CVE-2021-25037
All in One SEO: SQL injection
All in One SEO is affected by SQL injection. Exposure depends on how the affected operation is made reachable by the site. A successful request can alter database queries and expose or modify WordPress data.
See mitigation notes
CVEPending
NVD6.5
Jan 17, 2022 CVE-2021-25036
All in One SEO: Code execution
All in One SEO is affected by code execution. Exposure depends on how the affected operation is made reachable by the site. Successful exploitation can run attacker-controlled code in the WordPress hosting account.
See mitigation notes
CVEPending
NVD8.8
May 24, 2021 CVE-2021-24307
All In One Seo: A security weakness
All In One Seo is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.
See mitigation notes
CVEPending
NVD8.8