PT-2021-18016 · Plone Cms · Plone Cms

Piyush Patil · Published 2021-03-24 · Updated 2022-05-24 · CVE-2021-29002

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 CMS version 5.2.3

Description: A stored cross-site scripting (XSS) issue exists in the site-controlpanel via the form.widgets.site title parameter. This allows for potential malicious script execution.

Recommendations: For Plone CMS version 5.2.3, consider restricting access to the site-controlpanel until a patch is available. As a temporary workaround, avoid using the form.widgets.site title parameter in the affected site-controlpanel to minimize the risk of exploitation.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-29002

GHSA-38G6-X6JV-JWFF

PYSEC-2021-889

Affected Products

Plone Cms

References · 10

• 🔥 https://github.com/plone/Products.CMFPlone/issues/3255 · Exploit
• 🔥 https://exploit-db.com/exploits/49668 · Exploit
• https://osv.dev/vulnerability/GHSA-38g6-x6jv-jwff · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-29002 · Security Note
• https://osv.dev/vulnerability/CVE-2021-29002 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2021-889 · Vendor Advisory
• https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2021-889.yaml · Note
• https://github.com/plone/Plone · Note
• https://t.me/cvenotify/11857 · Telegram Post
• https://t.me/cvenotify/21389 · Telegram Post