CVE-2026-85598

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    CVE-2026-85598

    Published: 4 Sept 2026Last Modified: 16 Sept 2026

    Summary: Grav 2.0.0 through 2.0.17 Stored XSS via Modular Pages

    Details: Grav versions 2.0.0 through 2.0.17 fail to apply save-time XSS detection to modular pages, allowing authenticated page editors to store Twig-assembled XSS payloads. Attackers with page-edit rights can create modular pages with malicious Twig code that executes in visitor browsers when the parent page is rendered, including in administrator sessions.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85598.json, https://github.com/getgrav/grav/security/advisories/GHSA-fg8g-663r-f366, https://nvd.nist.gov/vuln/detail/CVE-2026-85598, https://www.vulncheck.com/advisories/grav-2.0.0-through-2.0.17-stored-xss-via-modular-pages

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- bb4022f44b882ca4615188f4da5a0d646cef02ce
    Fixed -d7bfcb522fda2a5516adf00958ab51f48d1be7eb

    Affected versions

    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
    CVE-2026-85598 | CVE-DB