cve.bz

CVE-2021-33511

7.5 highEPSS 1.2%

High (7.5) in plone plone. EPSS 1.2% chance of exploitation in the next 30 days. Fixed in plone 5.2.5.

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.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
CWE
CWE-918
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-gc9g-67cq-p7v4PyPIplone<=5.2.4no fix published
PYSEC-2021-83PyPIplone<5.2.55.2.5

References

Check your stackJSON