CVE-2020-25631

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    CVE-2020-25631

    Published: 8 Dec 2020Last Modified: 8 Jul 2026

    Summary:

    Details: A vulnerability was found in Moodle 3.9 to 3.9.1, 3.8 to 3.8.4 and 3.7 to 3.7.7 where it was possible to include JavaScript in a book's chapter title, which was not escaped on the "Add new chapter" page. This is fixed in 3.9.2, 3.8.5 and 3.7.8.

    References: https://moodle.org/mod/forum/discuss.php?d=410843

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 89457b26d192c06325bb6782b85d1025dafbefe9
    Fixed -f6e37fe19539b61afd3beb8685ffbff028e4ddf5

    Affected versions

    v3.7.7
    v3.7.6
    v3.7.5
    v3.7.4
    v3.7.3
    v3.7.2
    v3.7.0
    v3.7.1

    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-2020-25631 | CVE-DB