Loading
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.
Use CWE-918, Plone vendor hub and Plone product page to widen CVE-2021-33511 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2021-33509, CVE-2021-33926 and CVE-2024-22889 for nearby disclosures in the same product family.