Cross-Frame Scripting (XFS) on Plone CMS

published 2024-01-18 2 y ago modified 2026-09-10 1 mo ago also GHSA-5xfx-55x4-j223 , PYSEC-2026-1797 , EUVD-2024-0263

cvss: 6.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits: 0; none known

A Cross-Frame Scripting vulnerability has been found on Plone CMS affecting verssion below 6.0.5. An attacker could store a malicious URL to be opened by an administrator and execute a malicios iframe element.

Patch / fix

fixed in 2

pypi plone 6.0.7
plone plone 6.0.7

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-01-18)

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD	3.1	7.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
OSV	3.1	7.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
GitHub	3.1	7.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Affected packages

ecosystem	package	affected	fixed in
pypi	plone	<6.0.7	6.0.7

Affected products

Plone CMS Plone CMS

Classification

Weakness

CWE-1021 Improper Restriction of Rendered UI Layers or Frames

References

incibe.es /en/incibe-cert/notices/aviso/cross-frame-scripting-xfs-plone-cms
web, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2024-0669
advisory
github.com /plone/Plone
package
pypi.org /project/plone
package
github.com /advisories/GHSA-5xfx-55x4-j223
advisory

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary