CVE-2011-1950

Plone and plone.app.users allow remote authenticated users to modify the properties of arbitrary accounts

5.5 MediumFix available

plone.app.users in Plone 4.0 and 4.1 allows remote authenticated users to modify the properties of arbitrary accounts via unspecified vectors, as exploited in the wild in June 2011.

Exploit likelihood

2.35%Up 1.1 points since Feb 4, 2022

What each source reports

NVD Score used 5.5

plone.app.users in Plone 4.0 and 4.1 allows remote authenticated users to modify the properties of arbitrary accounts via unspecified vectors, as exploited in the wild in June 2011.

Record: CVE-2011-1950
CVSS 2.0: 5.5 MediumAV:N/AC:L/Au:S/C:N/I:P/A:P
Weakness: CWE-264
Updated: 2026-11-02

CVE List No score

plone.app.users in Plone 4.0 and 4.1 allows remote authenticated users to modify the properties of arbitrary accounts via unspecified vectors, as exploited in the wild in June 2011.

Record: CVE-2011-1950
Updated: 2026-11-02

EUVDEUVD-2011-0021 No score

plone.app.users in Plone 4.0 and 4.1 allows remote authenticated users to modify the properties of arbitrary accounts via unspecified vectors, as exploited in the wild in June 2011.

Record: EUVD-2011-0021
Updated: 2026-11-03

GitHub AdvisoriesGHSA-2qx8-589j-gcpx 7.1

Plone and plone.app.users allow remote authenticated users to modify the properties of arbitrary accounts

plone.app.users in Plone 4.0 and 4.1 allows remote authenticated users to modify the properties of arbitrary accounts via unspecified vectors, as exploited in the wild in June 2011.

Record: GHSA-2qx8-589j-gcpx
CVSS 4.0: 7.1 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:A
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Updated: 2026-11-02

OSVGHSA-2qx8-589j-gcpx 7.1

Plone and plone.app.users allow remote authenticated users to modify the properties of arbitrary accounts

plone.app.users in Plone 4.0 and 4.1 allows remote authenticated users to modify the properties of arbitrary accounts via unspecified vectors, as exploited in the wild in June 2011.

Record: GHSA-2qx8-589j-gcpx
CVSS 4.0: 7.1 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:A
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Updated: 2026-11-02

OSVPYSEC-2026-2888 7.1

Plone and plone.app.users allow remote authenticated users to modify the properties of arbitrary accounts

plone.app.users in Plone 4.0 and 4.1 allows remote authenticated users to modify the properties of arbitrary accounts via unspecified vectors, as exploited in the wild in June 2011.

Record: PYSEC-2026-2888
CVSS 4.0: 7.1 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:A
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Updated: 2026-11-02

OSVPYSEC-2011-16 No score

plone.app.users in Plone 4.0 and 4.1 allows remote authenticated users to modify the properties of arbitrary accounts via unspecified vectors, as exploited in the wild in June 2011.

Record: PYSEC-2011-16
Updated: 2026-11-02

Affected products

plone

Affected packages

Affected packages
Package	Affected	Fixed
`plone-app-users` PyPI	1.0a1 up to 1.0.5	1.0.5
`plone-app-users` PyPI	1.1b1 up to 1.1.1	1.1.1
`plone` PyPI	4.0.1 up to 4.0.6	4.0.6
`plone` PyPI	4.1.0 up to 4.1.1	4.1.1
`plone-app-users` PyPI	1.0a1 up to 1.0.5, plus listed versions 1.01.0.11.0.21.0.31.0.4 Show 11 moreShow less 1.0a21.0a31.0b11.0b21.0b31.0b41.0b51.0b61.0b71.0b81.0b9	1.0.5
`plone-app-users` PyPI	1.1b1 up to 1.1.1, plus listed versions 1.11.1b2	1.1.1
`plone` PyPI	4.0.1 up to 4.0.6, plus listed versions 4.0.24.0.34.0.44.0.5	4.0.6
`plone` PyPI	4.1.0 up to 4.1.1, plus listed versions 4.1	4.1.1
`plone` PyPI	before 4.1.1, plus listed versions 3.23.2.13.2.23.2.33.2a1 Show 44 moreShow less 3.2rc13.33.3.13.3.23.3.33.3.43.3.53.3.63.3b13.3rc13.3rc23.3rc33.3rc43.3rc54.04.0.14.0.104.0.24.0.34.0.44.0.54.0.64.0.74.0.84.0.94.0a14.0a24.0a34.0a44.0a54.0b14.0b24.0b34.0b44.0b54.0rc14.14.1a14.1a24.1a34.1b14.1b24.1rc24.1rc3	4.1.1
`plone-app-users` PyPI	1.0a1 up to 1.0.5, 1.1b1 up to 1.1.1, plus listed versions 1.01.0.11.0.21.0.31.0.4 Show 13 moreShow less 1.0a21.0a31.0b11.0b21.0b31.0b41.0b51.0b61.0b71.0b81.0b91.11.1b2	1.0.51.1.1

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-2011-1950 is a medium vulnerability (CVSS 5.5) in Plone, published June 6, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.35%, the 83rd percentile. Fixed in plone-app-users 1.0.5.

References

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