cve.bz

CVE-2021-33507

6.1 mediumEPSS 0.8%

Medium (6.1). EPSS 0.8% chance of exploitation in the next 30 days. Fixed in products-cmfcore 2.5.1.

Zope Products.CMFCore before 2.5.1 and Products.PluggableAuthService before 2.6.2, as used in Plone through 5.2.4 and other products, allow Reflected XSS.

Severity

CVSS 3.1

6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.8% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWE
CWE-79
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-35rg-466w-77h3PyPIproducts-cmfcore<2.5.12.5.1
GHSA-35rg-466w-77h3PyPIproducts-pluggableauthservice<2.6.22.6.2
GHSA-35rg-466w-77h3PyPIplone<=5.2.4no fix published
PYSEC-2021-79PyPIplone<5.2.55.2.5
PYSEC-2026-2961PyPIproducts-cmfcore<2.5.12.5.1
PYSEC-2026-2967PyPIproducts-pluggableauthservice<2.6.22.6.2

References

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