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    CVE-2026-100751

    Joomla Extension - regularlabs.com - Privileged stored XSS via data-rlta-url attributes in Tabs & Accordions (Pro) 2.3.0 - 3.1.0 - Tabs & Accordions Pro accepts a url option for an item and writes it to a generated data-rlta-url attribute. The browser code passes that value to window.open() when the item is activated. Affected versions do not reject browser URL schemes which execute JavaScript. Joomla sees ordinary plugin syntax while filtering the authored article; Tabs & Accordions creates the executable browser behavior later while rendering the article.

    Published:Sep 28, 2026
    Last Modified:Oct 27, 2026
    EPS:Sep 28, 2026
    EPSS Score:0.00304
    CVSS Score:6.1

    Affected Products

    Vendor
    Regularlabs
    Product
    Tabs \& Accordions
    Vendor
    Regularlabs.com
    Product
    Tabs & Accordions Pro Extension For Joomla

    Exploits

    No exploit reference

    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