Read the docs
TI-2008-01340 Aliases CVE-2008-1393GHSA-593c-j348-f3gv

Plone CMS 3.0.5, and probably other 3.x versions, places a base64 encoded form of the…

Priority MEDIUM 48CWE-255Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and GitHub.

Summary

Plone CMS 3.0.5, and probably other 3.x versions, places a base64 encoded form of the username and password in the __ac cookie for the admin account, which makes it easier for remote attackers to obtain administrative privileges by sniffing the network.

Why it matters now

EPSS 0.02904 87th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed Plone (PyPI): 3.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—Plone (PyPI)before 3.03.0Patch availableGHSA-593c-j348-f3gv
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • Plone (PyPI) Vendor— Affected before 3.0 Fixed in 3.0 Patch available GHSA-593c-j348-f3gv

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:plone:plone_cms:*:*:*:*:*:*:*:*up to 3; up to 3.0.5Vulnerableplone
  • cpe:2.3:a:plone:plone_cms:*:*:*:*:*:*:*:* Versions up to 3; up to 3.0.5 Vulnerable ·plone

Remediation

  • Fix · GHSA-593c-j348-f3gv Plone (PyPI) Fixed in 3.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2008-1393
  2. 2026-10-03 Alias added: GHSA-593c-j348-f3gv

References

  • TI-2008-01341 Plone CMS before 3 places a base64 encoded form of the username and password in the __ac… CVSS 2.0HIGH 7.5
  • TI-2008-01342 Plone CMS does not record users' authentication states, and implements the logout feature… CVSS 2.0HIGH 7.5
  • TI-2008-01343 Plone CMS 3.x uses invariant data (a client username and a server secret) when… CVSS 2.0MEDIUM 4.3
  • TI-2008-00151 Multiple cross-site request forgery (CSRF) vulnerabilities in Plone CMS 3.0.5 and 3.0.6… CVSS 2.0MEDIUM 4.3

Sources