CVE-2021-33512

Description

Plone through 5.2.4 allows stored XSS attacks (by a Contributor) by uploading an SVG or HTML document.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.50%
Vendor Advisory plone.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://plone.org/security/hotfix/20210518/stored-xss-from-file-upload-svg-html vendor advisory
http://www.openwall.com/lists/oss-security/2021/05/22/1 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-33512?
CVE-2021-33512 has been scored as a medium severity vulnerability.
How to fix CVE-2021-33512?
To fix CVE-2021-33512, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-33512 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-33512 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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