CVE-2021-25978

    Dashboard / Vulnerabilities / CVE-2021-25978

    CVE-2021-25978

    Published: 7 Nov 2021Last Modified: 7 Aug 2026

    Summary:

    Details: Apostrophe CMS versions between 2.63.0 to 3.3.1 are vulnerable to Stored XSS where an editor uploads an SVG file that contains malicious JavaScript onto the Images module, which triggers XSS once viewed.

    References: https://github.com/apostrophecms/apostrophe/commit/c8b94ee9c79468f1ce28e31966cb0e0839165e59

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0ae930a861a077f52c7995d4425b3fecee3775d2
    Fixed -None

    Affected versions

    3.3.1
    3.3.0

    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-2021-25978 | CVE-DB