CVE-2021-33507
Cross-site scripting in Products.CMFCore, Products.PluggableAuthService, Plone
6.1
MEDIUM
CVSS 3.1
EPSS 0.29%
Description
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.
How to fix CVE-2021-33507
To remediate CVE-2021-33507, upgrade the affected package to a fixed version below.
- PyPI/plone—no fix listed
- —upgrade to 5.2.5 or later
- —upgrade to 2.5.1 or later
- —upgrade to 2.6.2 or later
Is CVE-2021-33507 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, <= 5.2.4
- from 0, < 5.2.5
- from 0, < 2.5.1
- from 0, < 2.6.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N |
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |