Vulnerability CVE-2021-33507
Published: 2021-05-21   Modified: 2021-05-22

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.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
ZOPE -> ZOPE 
Plone -> Plone 

 References:
https://plone.org/security/hotfix/20210518/reflected-xss-in-various-spots
http://www.openwall.com/lists/oss-security/2021/05/22/1
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