CVE-2012-5497

Plone User account enumeration via crafted URL

5.0 MediumFix available

membership_tool.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to enumerate user account names via a crafted URL.

Exploit likelihood

2.14%Up 0.9 points since Feb 4, 2022

What each source reports

NVD Score used 5.0

membership_tool.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to enumerate user account names via a crafted URL.

Record: CVE-2012-5497
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

CVE List No score

membership_tool.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to enumerate user account names via a crafted URL.

Record: CVE-2012-5497
Updated: 2026-11-02

EUVDEUVD-2014-0057 No score

membership_tool.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to enumerate user account names via a crafted URL.

Record: EUVD-2014-0057
Updated: 2026-11-03

GitHub AdvisoriesGHSA-683w-84m7-p8pw 6.9

Plone User account enumeration via crafted URL

membership_tool.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to enumerate user account names via a crafted URL.

Record: GHSA-683w-84m7-p8pw
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

OSVGHSA-683w-84m7-p8pw 6.9

Plone User account enumeration via crafted URL

membership_tool.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to enumerate user account names via a crafted URL.

Record: GHSA-683w-84m7-p8pw
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

OSVPYSEC-2014-39 No score

membership_tool.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to enumerate user account names via a crafted URL.

Record: PYSEC-2014-39
Updated: 2026-11-02

Affected products

plone

Affected packages

Affected packages
Package	Affected	Fixed
`plone` PyPI	4.3a1 up to 4.3b1	4.3b1
`plone` PyPI	before 4.2.3	4.2.3
`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
`conga` Red Hat:rhel_cluster:5 From an advisory covering 9 CVEs	before 0:0.12.2-81.el5	0:0.12.2-81.el5
`conga-debuginfo` Red Hat:rhel_cluster:5 From an advisory covering 9 CVEs	before 0:0.12.2-81.el5	0:0.12.2-81.el5
`luci` Red Hat:rhel_cluster:5 From an advisory covering 9 CVEs	before 0:0.12.2-81.el5	0:0.12.2-81.el5
`ricci` Red Hat:rhel_cluster:5 From an advisory covering 9 CVEs	before 0:0.12.2-81.el5	0:0.12.2-81.el5

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
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-2012-5497 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 2.14%, the 82nd percentile. Fixed in plone 4.3b1.

References

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This page doesn't list everything

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