CVE-2021-33512
Cross-site scripting in Plone
5.4
MEDIUM
CVSS 3.1
EPSS 0.30%
Description
Plone through 5.2.4 allows stored XSS attacks (by a Contributor) by uploading an SVG or HTML document.
How to fix CVE-2021-33512
To remediate CVE-2021-33512, upgrade the affected package to a fixed version below.
- PyPI/plone—no fix listed
- PyPI/plone—upgrade to 5.2.5 or later
Is CVE-2021-33512 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, <= 5.2.4
- from 0, < 5.2.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N |
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |