Vulnerability CVE-2021-33513
Published: 2021-05-21   Modified: 2021-05-22

Description:
Plone through 5.2.4 allows XSS via the inline_diff methods in Products.CMFDiffTool.

Type:

CWE-79

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

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.5/10
2.9/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Plone -> Plone 

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