PT-2021-21080 · Plone · Plone

Matt Moreschi · Published 2021-06-30 · Updated 2022-05-24 · CVE-2021-35959

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: Plone versions 5.0 through 5.2.4

Description: The issue affects Editors in the folder contents view, where a Contributor can create a folder with a SCRIPT tag in the description field, leading to XSS.

Recommendations: For Plone versions 5.0 through 5.2.4, consider disabling the folder contents view for Contributors until a patch is available. Restrict access to the description field to minimize the risk of exploitation.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-35959

GHSA-QFHW-FV3G-V836

PYSEC-2021-110

Affected Products

Plone

References · 11

• https://osv.dev/vulnerability/PYSEC-2021-110 · Vendor Advisory
• https://plone.org/security/hotfix/20210518/stored-xss-in-folder-contents · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-35959 · Security Note
• https://osv.dev/vulnerability/GHSA-qfhw-fv3g-v836 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-35959 · Vendor Advisory
• https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2021-110.yaml · Note
• https://github.com/plone/Plone · Note
• https://t.me/cibsecurity/25807 · Telegram Post
• https://t.me/cvenotify/16873 · Telegram Post
• https://t.me/cvenotify/17017 · Telegram Post
• http://openwall.com/lists/oss-security/2021/06/30/2 · Note