CVE-2020-28735: SSRF attacks via tracebacks in Plone

April 7, 2021 (updated October 15, 2024)

Plone before 5.2.3 allows SSRF attacks via the tracebacks feature (only available to the Manager role).

References

dist.plone.org/release/5.2.3/RELEASE-NOTES.txt
github.com/advisories/GHSA-x7wf-5mjc-6x76
github.com/plone/Products.CMFPlone/issues/3209
github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2020-247.yaml
nvd.nist.gov/vuln/detail/CVE-2020-28735
www.misakikata.com/codes/plone/python-en.html

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