SQL Injection in DTML or in connection objects in Plone 4.0 through 5.2.1 allows users to perform unwanted SQL queries. (This is a problem in Zope.)
References:- https://nvd.nist.gov/vuln/detail/CVE-2020-7939
- https://plone.org/security/hotfix/20200121
- https://plone.org/security/hotfix/20200121/sql-injection-in-dtml-or-in-connection-objects
- https://www.openwall.com/lists/oss-security/2020/01/22/1
- http://www.openwall.com/lists/oss-security/2020/01/24/1
- https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2020-88.yaml
- https://github.com/advisories/GHSA-hhmf-7rgg-gcw5