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    CVE-2026-77787

    The Rank Math SEO WordPress plugin before 1.0.277 does not perform a capability check when bulk metadata updates target taxonomy terms, and reuses the supplied object identifier across object types, allowing users with the Author role and above to modify the SEO metadata of terms they cannot edit and to overwrite the titles of posts belonging to other users.

    Published:Sep 2, 2026
    Last Modified:Sep 2, 2026
    EPS:Sep 2, 2026
    EPSS Score:0.00168
    CVSS Score:2.7

    Affected Products

    Vendor
    Rank Math Seo
    Product
    Rank Math Seo
    Vendor
    Wordpress
    Product
    Wordpress

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

    CVE-2026-77788 (CVSS 4.9) — The Rank Math SEO WordPress plugin before 1.0.277 does not verify that the metadata row being updated belongs…
    CVE-2026-77785 (CVSS 2.7) — The Rank Math SEO WordPress plugin before 1.0.277 does not verify that the requesting user is permitted to re…
    CVE-2026-77784 (CVSS 2.7) — The Rank Math SEO WordPress plugin before 1.0.277 does not verify that a user is allowed to edit the object b…
    CVE-2026-77783 (CVSS 3.7) — The Rank Math SEO WordPress plugin before 1.0.277 does not verify that the post whose schema it renders on th…
    CVE-2026-77782 (CVSS 5.3) — The Rank Math SEO WordPress plugin before 1.0.277.1 does not check whether a post is password protected befor…
    CVE-2026-77786 (CVSS 4.9) — The Rank Math SEO WordPress plugin before 1.0.277 does not check that the user requesting an automated SEO fi…
    CVE-2026-81757 (CVSS 7.2) — Author Remote Code Execution (RCE) in Rank Math SEO <= 1.0.276 versions.…
    CVE-2026-66702 (CVSS 7.1) — Unauthenticated Cross Site Scripting (XSS) in Rank Math SEO <= 1.0.274.1 versions.…
    CVE-2026-34892 (CVSS 6.5) — Subscriber Broken Access Control in Rank Math SEO <= 1.0.271 versions.…
    CVE-2026-28080 (CVSS 4.3) — Missing Authorization vulnerability in Rank Math Rank Math SEO PRO allows Exploiting Incorrectly Configured Ac…

    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