CVE-2021-33511

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    CVE-2021-33511

    Published: 21 May 2021Last Modified: 8 Jul 2026

    Summary:

    Details: Plone though 5.2.4 allows SSRF via the lxml parser. This affects Diazo themes, Dexterity TTW schemas, and modeleditors in plone.app.theming, plone.app.dexterity, and plone.supermodel.

    References: http://www.openwall.com/lists/oss-security/2021/05/22/1, https://plone.org/security/hotfix/20210518/server-side-request-forgery-via-lxml-parser

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    5.2.4
    5.2.3
    5.2.2
    5.2.1
    5.2.0

    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-2021-33511 | CVE-DB