CVE-2021-33926
HIGHPlone 4.3.2-5.2.4 - Server-Side Request Forgery via RSS Feed Portlet
Title source: llmDescription
An issue in Plone CMS v. 5.2.4, 5.2.3, 5.2.2, 5.2.1, 5.2.0, 5.1rc2, 5.1rc1, 5.1b4, 5.1b3, 5.1b2, 5.1a2, 5.1a1, 5.1.7, 5.1.6, 5.1.5, 5.1.4, 5.1.2, 5.1.1 5.1, 5.0rc3, 5.0rc2, 5.0rc1, 5.0.9, 5.0.8, 5.0.7, 5.0.6, 5.0.5, 5.0.4, 5.0.3, 5.0.2, 5.0.10, 5.0.1, 5.0, 4.3.9, 4.3.8, 4.3.7, 4.3.6, 4.3.5, 4.3.4, 4.3.3, 4.3.20, 4 allows attacker to access sensitive information via the RSS feed protlet.
References (3)
Core 3
Core References
Exploit, Third Party Advisory
https://github.com/s-kustm/Subodh/blob/master/Plone%205.2.4%20Vulnerable%20to%20bilend%20SSRF.pdf
Release Notes
https://plone.org/security/hotfix/20210518
Scores
CVSS v3
8.8
EPSS
0.0100
EPSS Percentile
58.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-918
Status
published
Products (47)
plone/plone
4.3
plone/plone
4.3.1
plone/plone
4.3.2
plone/plone
4.3.3
plone/plone
4.3.4
plone/plone
4.3.5
plone/plone
4.3.6
plone/plone
4.3.7
plone/plone
4.3.8
plone/plone
4.3.9
... and 37 more
Published
Feb 17, 2023
Tracked Since
Feb 18, 2026