PYSEC-2026-896

    Dashboard / Vulnerabilities / PYSEC-2026-896

    PYSEC-2026-896

    Published: 6 Jul 2026Last Modified: 7 Jul 2026

    Summary: Plone XSS Vulnerability

    Details: Cross-site scripting (XSS) vulnerability in `skins/plone_templates/default_error_message.pt` in Plone before 2.5.3 allows remote attackers to inject arbitrary web script or HTML via the type_name parameter to `Members/ipa/createObject`.

    References: https://nvd.nist.gov/vuln/detail/CVE-2011-1340, https://web.archive.org/web/20110816092954/http://dev.plone.org/plone/changeset/12262, https://web.archive.org/web/20110817133423/https://dev.plone.org/plone/ticket/6110, http://jvn.jp/en/jp/JVN41222793/index.html, http://jvndb.jvn.jp/jvndb/JVNDB-2011-000056, https://pypi.org/project/plone, https://github.com/advisories/GHSA-cvwc-g7fw-7xrj

    Affected packages

    Package

    Name: plone

    Purl: pkg:pypi/plone

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.5.3

    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
    PYSEC-2026-896 | CVE-DB