Vulnerability Details : CVE-2021-35959

In Plone 5.0 through 5.2.4, Editors are vulnerable to XSS in the folder contents view, if a Contributor has created a folder with a SCRIPT tag in the description field.

Vulnerability category: Cross site scripting (XSS)

Published 2021-06-30 01:15:07

Updated 2021-07-02 20:06:23

Source MITRE

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-35959

Probability of exploitation activity in the next 30 days: 0.05%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 21 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-35959

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
3.5	LOW	AV:N/AC:M/Au:S/C:N/I:P/A:N	6.8	2.9	nvd@nist.gov
Access Vector: Network Access Complexity: Medium Authentication: Single Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
5.4	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N	2.3	2.7	nvd@nist.gov
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2021-35959

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-35959

http://www.openwall.com/lists/oss-security/2021/06/30/2

oss-security - Plone: stored XSS in folder contents
Mailing List;Third Party Advisory
https://plone.org/security/hotfix/20210518/stored-xss-in-folder-contents

Stored XSS in folder contents — Plone: Enterprise Level CMS - Free and OpenSource - Community Driven - Secure
Vendor Advisory

Products affected by CVE-2021-35959

Plone » Plone
Versions from including (>=) 5.0 and up to, including, (<=) 5.2.4
cpe:2.3:a:plone:plone:*:*:*:*:*:*:*:*
Matching versions