Medium severity · published May 21, 2021
CVE-2021-33508
Plone through 5.2.4 allows XSS via a full name that is mishandled during rendering of the ownership tab of a content item
5.4
CVSS
0.6%
EPSS
No
On KEV
Description
Plone through 5.2.4 allows XSS via a full name that is mishandled during rendering of the ownership tab of a content item.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PL
Plone · Plone
through 5.2.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33508
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-33508
Mailing List
http://www.openwall.com/lists/oss-security/2021/05/22/1
Vendor Advisory
https://plone.org/security/hotfix/20210518/stored-xss-from-user-fullname
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