GHSA-mq3q-jjph-rp5p CVE-2008-1394 PYSEC-2026-734
Plone CMS Improper Session Management
High
PyPI
- Severity
- High
- The publisher's own rating, not a CVSS score
- Exploit chance (EPSS)
- 1.44%
- Chance of exploitation in the next 30 days. Higher than 73.16% of scored vulnerabilities.
- Known exploited
- No
- Not in CISA's catalog
- Weakness
- —
- Not classified
- Fix
3.0- Upgrade plone to this version or later
Description
Plone CMS before 3 places a base64 encoded form of the username and password in the __ac cookie for all user accounts, which makes it easier for remote attackers to obtain access by sniffing the network.
Affected versions
PyPI
| Package | Vulnerable | Fixed in |
|---|---|---|
| plone | < 3.0 |
3.0 |
How to fix
Move to the fixed version or later with your package manager, update the lockfile, and run your tests. If the package only arrives through another dependency, upgrade that dependency first. If none of its releases pulls a fixed version yet, force the version with your package manager's override.
plone PyPI → 3.0
- pip
pip install --upgrade "plone>=3.0"- poetry
poetry add "plone>=3.0"- uv
uv add "plone>=3.0"
References
Advisories
Packages
Other links
Timeline
- Published
- Last updated by the source
- Latest EPSS score
Related advisories
| Advisory | Severity | Why it's related |
|---|---|---|
| GHSA-xg5p-8wg5-rhxm Phone information disclosure vulnerability | High | Also affects plone |
| GHSA-5xfx-55x4-j223 Cross-Frame Scripting vulnerability has been found on Plone CMS | High | Also affects plone |
| GHSA-47p5-p3jw-w78w Server-Side Request Forgery in Plone CMS | High | Also affects plone |
| GHSA-cvwc-g7fw-7xrj Plone XSS Vulnerability | Medium | Also affects plone |
| GHSA-pwgm-jvqv-6v8p Plone anonymous access to sub-objects in CMFEditions where KwAsAttributes classes were publishable | High | Also affects plone |
| GHSA-46f9-f8jm-mw2x Plone Cross-site Scripting vulnerability in the LiveSearch module | Medium | Also affects plone |
| GHSA-hjp5-hv33-q58g Plone credentials stored in session cookie | Medium | Also affects plone |
| GHSA-593c-j348-f3gv Plone Improper Session Management | High | Also affects plone |
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