CVE Feed

    Dashboard / CVE / CVE-2021-24153

    CVE-2021-24153

    A Stored Cross-Site Scripting vulnerability was discovered in the Yoast SEO WordPress plugin before 3.4.1, which had built-in blacklist filters which were blacklisting Parenthesis as well as several functions such as alert but bypasses were found.

    Published:Apr 5, 2021
    Last Modified:Nov 21, 2024
    EPS:Apr 5, 2021
    EPSS Score:0.00334
    CVSS Score:5.4

    Affected Products

    Vendor
    Yoast
    Product
    Yoast Seo

    Exploits

    https://packetstormsecurity.com/files/138192/https://packetstormsecurity.com/files/138192/

    Related CVEs

    CVE-2026-1293 (CVSS 6.4) — The Yoast SEO – Advanced SEO with real-time guidance and built-in AI plugin for WordPress is vulnerable to Sto…
    CVE-2025-11241 (CVSS 6.4) — The Yoast SEO Premium plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions 25.7 to 25…
    CVE-2023-28775 (CVSS 5.3) — Missing Authorization vulnerability in Yoast Yoast SEO Premium.This issue affects Yoast SEO Premium: from n/a …
    CVE-2024-4984 (CVSS 6.4) — The Yoast SEO plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘display_name’ author …
    CVE-2024-4041 (CVSS 6.1) — The Yoast SEO plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via URLs in all versions up…
    CVE-2023-40680 (CVSS 5.9) — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Team Yoa…
    CVE-2023-32300 (CVSS 7.1) — Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Yoast Yoast SEO: Local plugin <= 14.8 versions.…
    CVE-2023-28785 (CVSS 6.5) — Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in Yoast Yoast SEO: Local plugin <= 14.9 …
    CVE-2021-25118 (CVSS 5.3) — The Yoast SEO WordPress plugin (from versions 16.7 until 17.2) discloses the full internal path of featured im…
    CVE-2021-36788 (CVSS 5.4) — The yoast_seo (aka Yoast SEO) extension before 7.2.3 for TYPO3 allows XSS.…

    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