Medium

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

  • Disclosed: 06.06.2011
  • Updated: 11.10.2026 14:18

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.

Affected software

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PlatformPackageVulnerable versionsFixed in
Python (PyPI) plone < 4.1.1 4.1.1
Python (PyPI) plone-app-users >= 1.0a1, < 1.0.5, >= 1.1b1, < 1.1.1 1.0.5, 1.1.1

References

CVSS score 6.5/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness (CWE)
-
Platform
Python (PyPI)
Package
plone, plone-app-users
Disclosed
06.06.2011
Updated
11.10.2026 14:18

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2011-16 - PyPA Advisory Database; CC BY 4.0

OSV / GitHub Advisory Database - GHSA-2qx8-589j-gcpx - CC BY 4.0

OSV / GitHub Advisory Database - PYSEC-2026-2888 - PyPA Advisory Database; CC BY 4.0

Vulnerability history: plone

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (101) in the archive
Total entries
101
First → latest
09.2006 03.2024
Without a fix
10
Exploited in attacks
0

Severity breakdown

  • Critical 5
  • High 36
  • Medium 58
  • Low 2

Disclosures per year

  1. 2017: 15
  2. 2018: 4
  3. 2019: 0
  4. 2020: 10
  5. 2021: 10
  6. 2022: 7
  7. 2023: 1
  8. 2024: 2
  9. 2025: 0
  10. 2026: 0

earlier: 52

Severity:
  1. Plone and plone.app.users allow remote authenticated users to modify the properties of arbitrary accounts this entry
    Medium · 6.5 CVE-2011-1950 < 4.1.1 4.1.1
  2. High · 7.1 CVE-2024-0669 < 6.0.7 6.0.7
  3. High · 8.8 CVE-2021-33926 >= 4.3, < 5.2.5 5.2.5
  4. High CVE-2011-4030 >= 4.0, < 4.0.10, >= 4.1, < 4.1.1, >= 4.2a1, < 4.2a3 4.0.10, 4.1.1, 4.2a3
  5. High CVE-2008-1393 < 3.0 3.0
  6. High CVE-2008-1394 < 3.0 3.0
  7. High · 7.5 CVE-2021-33511 <= 5.2.4 no fix
  8. Critical · 9.9 CVE-2021-33509 < 5.2.5 5.2.5
  9. High · 8.8 CVE-2020-28736 < 5.2.3 5.2.3
  10. High · 8.8 CVE-2020-28735 < 5.2.3 5.2.3
  11. High · 8.8 CVE-2020-28734 < 5.2.3 5.2.3
  12. High · 8.8 CVE-2020-7938 >= 5.2.0, < 5.2.2 5.2.2
  13. Critical · 9.8 CVE-2020-7941 >= 4.3, <= 5.2.1 no fix
  14. High · 7.5 CVE-2012-6661 >= 3.2.2, < 4.2.3, >= 4.3a1, < 4.3b1 4.2.3, 4.3b1
Show more (20) Showing 21 of 42

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