Plone CMS 3.x uses invariant data (a client username and a server secret) when…
Priority LOW 22CWE-255Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and GitHub.
Summary
Plone CMS 3.x uses invariant data (a client username and a server secret) when calculating an HMAC-SHA1 value for an authentication cookie, which makes it easier for remote attackers to gain permanent access to an account by sniffing the network.
Why it matters now
EPSS 0.01139 66th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | plone (PyPI) | up to 3.1.7 | — | No fix listed | GHSA-hjp5-hv33-q58g |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- plone (PyPI) Vendor— Affected up to 3.1.7 Fixed in — No fix listed GHSA-hjp5-hv33-q58g
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2008-1396
- 2026-10-03 Alias added: GHSA-hjp5-hv33-q58g
References
More Plone Cms vulnerabilities
- TI-2008-01340 Plone CMS 3.0.5, and probably other 3.x versions, places a base64 encoded form of the… CVSS 2.0HIGH 10.0
- 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-2008-00151 Multiple cross-site request forgery (CSRF) vulnerabilities in Plone CMS 3.0.5 and 3.0.6… CVSS 2.0MEDIUM 4.3
Sources
- CVE-2008-1396 · CVE Program
- CVE-2008-1396 · NVD
- FIRST EPSS
- GHSA-hjp5-hv33-q58g · GitHub Advisory Database · CC BY 4.0
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