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All in One SEO

All in One SEO is a WordPress component with 8 published CVE records in this archive. The latest tracked vulnerability was published Jul 20, 2026; the highest CVE/CNA score is 8.8.

Plugin slug: all-in-one-seo

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.

PublishedJul 20, 2026
Known safe version4.9.9
Safe version
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 at least contributor-level access. Successful exploitation can disclose data that should not be available to the caller. The published affected range is <= 4.9.7.
> 4.9.7
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 at least contributor-level access. 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 at least contributor-level access. 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
CVE6.5
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
CVE8.8
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
CVE8.8
NVD8.8