All In One SEO Pack <= 3.2.6 - Stored Cross-Site Scripting

6.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2019-16520
CVSS 6.4 (Medium)
Publicly Published October 16, 2019
Last Updated January 22, 2024
Researcher Tobias Fink

Description

The all-in-one-seo-pack plugin before 3.2.7 for WordPress (aka All in One SEO Pack) is susceptible to Stored XSS due to improper encoding of the SEO-specific description for posts provided by the plugin via unsafe placeholder replacement.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

References

Share

Vulnerability Details for All in One SEO – AI SEO Plugin to Boost SEO Rankings & Traffic (Schema, Local SEO, Sitemap & SEO Insights)

Software Type Plugin
Software Slug all-in-one-seo-pack (view on wordpress.org)
Patched? Yes
Remediation Update to version 3.2.7, or a newer patched version
Affected Version
  • <= 3.2.6
Patched Version
  • 3.2.7

Recent vulnerabilities in All in One SEO – AI SEO Plugin to Boost SEO Rankings & Traffic (Schema, Local SEO, Sitemap & SEO Insights)

# Title CVE ID CVSS Researchers Date
1 All in One SEO <= 4.9.7 - Authenticated (Contributor+) Sensitive Information Exposure via 'internalOptions' Localized Script Data CVE-2026-5075 4.3 0x61626390 May 19, 2026
2 All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic <= 4.9.2 - Missing Authorization to Authenticated (Contributor+) AI Access Token and Credit Disclosure CVE-2025-14384 4.3 NosleeP++ January 15, 2026
3 All In One SEO Pack <= 4.9.1 - Authenticated (Contributor+) SQL Injection CVE-2025-67950 6.5 Drew Webber (mcdruid) December 6, 2025
4 All In One SEO Pack <= 4.8.6.1 - Authenticated (Subscriber+) Information Exposure CVE-2025-64295 4.3 Abu Hurayra (HurayraIIT) November 26, 2025
5 All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic <= 4.8.9 - Missing Authorization to Authenticated (Contributor+) Arbitrary Media Deletion CVE-2025-12847 4.3 shark3y November 14, 2025
6 All In One SEO Pack <= 4.8.7.1 - Authenticated (Contributor+) Sensitive Information Exposure CVE-2025-58649 4.3 Abu Hurayra (HurayraIIT) September 22, 2025
7 All In One SEO Pack <= 4.8.7.1 - Missing Authorization CVE-2025-58650 5.4 Abu Hurayra (HurayraIIT) September 22, 2025
8 All in One SEO Pack <= 4.8.1.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Post Meta Description and Canonical URL CVE-2025-2892 6.4 Ivan Kuzymchak May 18, 2025
9 All in One SEO – Best WordPress SEO Plugin – Easily Improve SEO Rankings & Increase Traffic <= 4.6.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode CVE-2024-3554 6.4 Krzysztof Zając April 29, 2024
10 All in One SEO <= 4.6.0 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-3368 6.4 Dmitrii Ignatyev April 29, 2024

Did you know Wordfence Intelligence provides free personal and commercial API access to our comprehensive WordPress vulnerability database, along with a free webhook integration to stay on top of the latest vulnerabilities added and updated in the database? Get started today!

Learn more

Want to get notified of the latest vulnerabilities that may affect your WordPress site?
Install Wordfence on your site today to get notified immediately if your site is affected by a vulnerability that has been added to our database.

Get Wordfence

The Wordfence Intelligence WordPress vulnerability database is completely free to access and query via API. Please review the documentation on how to access and consume the vulnerability data via API.

Documentation