What is CVE-2021-33507?

CVE-2021-33507 is a medium-severity vulnerability in Plone, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-05-21.

How severe is CVE-2021-33507?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Plone

CVE-2021-33507

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (51.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Plone
Zope
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2021-33507?: CVE-2021-33507 is a medium-severity vulnerability in Plone, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-05-21.
How severe is CVE-2021-33507?: Medium severity. CVSS v3 base score is 6.1 out of 10.