CVE-2012-5495

Plone python code injection

5.0 MediumFix available

python_scripts.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to execute Python code via a crafted URL, related to "go_back."

Exploit likelihood

1.68%Up 0.5 points since Feb 4, 2022

What each source reports

NVD Score used 5.0

python_scripts.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to execute Python code via a crafted URL, related to "go_back."

Record: CVE-2012-5495
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-94
Updated: 2026-11-02

CVE List No score

python_scripts.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to execute Python code via a crafted URL, related to "go_back."

Record: CVE-2012-5495
Updated: 2026-11-02

EUVDEUVD-2014-0055 No score

python_scripts.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to execute Python code via a crafted URL, related to "go_back."

Record: EUVD-2014-0055
Updated: 2026-11-03

GitHub AdvisoriesGHSA-w6pw-5gh5-4952 9.3

Plone python code injection

python_scripts.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to execute Python code via a crafted URL, related to "go_back."

Record: GHSA-w6pw-5gh5-4952
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-94
Updated: 2026-11-02

OSVGHSA-w6pw-5gh5-4952 9.3

Plone python code injection

python_scripts.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to execute Python code via a crafted URL, related to "go_back."

Record: GHSA-w6pw-5gh5-4952
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-94
Updated: 2026-11-02

OSVPYSEC-2014-37 No score

python_scripts.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to execute Python code via a crafted URL, related to "go_back."

Record: PYSEC-2014-37
Updated: 2026-11-02

Affected products

plone

Affected packages

Affected packages
Package	Affected	Fixed
`plone` PyPI	before 4.2.3	4.2.3
`plone` PyPI	4.3a1 up to 4.3b1	4.3b1
`plone` PyPI	before 4.2.3, plus listed versions 3.23.2.13.2.23.2.33.2a1 Show 45 moreShow less 3.2rc13.33.3.13.3.23.3.33.3.43.3.53.3.63.3b13.3rc13.3rc23.3rc33.3rc43.3rc54.04.0.14.0.104.0.24.0.34.0.44.0.54.0.64.0.74.0.84.0.94.0a14.0a24.0a34.0a44.0a54.0b14.0b24.0b34.0b44.0b54.0rc14.14.1.14.1.24.1.34.1.44.1.54.1.64.1a14.1a2	4.2.3
`plone` PyPI	4.3a1 up to 4.3b1, plus listed versions 4.3a2	4.3b1
`plone` PyPI	before 4.2.3, 4.3a0 up to 4.3b1, plus listed versions 3.23.2.13.2.23.2.33.2a1 Show 45 moreShow less 3.2rc13.33.3.13.3.23.3.33.3.43.3.53.3.63.3b13.3rc13.3rc23.3rc33.3rc43.3rc54.04.0.14.0.104.0.24.0.34.0.44.0.54.0.64.0.74.0.84.0.94.0a14.0a24.0a34.0a44.0a54.0b14.0b24.0b34.0b44.0b54.0rc14.14.1.14.1.24.1.34.1.44.1.54.1.64.1a14.1a2	4.2.34.3b1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2012-5495 is a medium vulnerability (CVSS 5.0) in Plone, published September 30, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.68%, the 77th percentile. Fixed in plone 4.2.3.

References

This page doesn't list everything

Left out here: 30 versions. The JSON record has them.