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CVE-2021-33512

Safety vulnerability ID: 40537

This vulnerability was reviewed by experts

The information on this page was manually curated by our Cybersecurity Intelligence Team.

Created at May 21, 2021 Updated at Mar 27, 2025
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Advisory

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

Affected package

plone

Latest version: 6.1.1

The Plone Content Management System

Affected versions

Fixed versions

Vulnerability changelog

Plone through 5.2.4 allows stored XSS attacks (by a Contributor) by uploading an SVG or HTML document. See CVE-2021-33512.


MISC:https://plone.org/security/hotfix/20210518/stored-xss-from-file-upload-svg-html: https://plone.org/security/hotfix/20210518/stored-xss-from-file-upload-svg-html

Resources

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Severity Details

CVSS Base Score

MEDIUM 5.4

CVSS v3 Details

MEDIUM 5.4
Attack Vector (AV)
NETWORK
Attack Complexity (AC)
LOW
Privileges Required (PR)
LOW
User Interaction (UI)
REQUIRED
Scope (S)
CHANGED
Confidentiality Impact (C)
LOW
Integrity Impact (I)
LOW
Availability Availability (A)
NONE

CVSS v2 Details

LOW 3.5
Access Vector (AV)
NETWORK
Access Complexity (AC)
MEDIUM
Authentication (Au)
SINGLE
Confidentiality Impact (C)
NONE
Integrity Impact (I)
PARTIAL
Availability Impact (A)
NONE