The default configuration of the forum package in eZ publish 3.5 before 3.5.5, 3.6 before 3.6.2, 3.7 before 3.7.0rc2, and 3.8 before 20050818 does not restrict edit permissions to a posting's owner, which allows remote authenticated users to edit arbitrary postings.
Conclusion & alert: CVE-2005-4853 is rated Moderate Risk (60.6/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.50%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-02-22 | 0.44% | 0.50% | +0.06% |
| 2 | 2025-03-30 | 0.66% | 0.44% | -0.22% |
| 3 | 2025-03-29 | — | 0.66% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.4 | 2.0 | HIGH |
|
10.0 | 9.2 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2005-4853 medium priority: Ubuntu including 1 source packages (ezpublish), 9 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): DNE 4, ignored 4, needs-triage 1. | https://ubuntu.com/security/CVE-2005-4853 |
: Vendor has fixed this vulnerability in an upgrade starting at 3.5.5: http://ez.no/download/ez_publish
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ez | ez_publish | 3.5.0 | cpe:2.3:a:ez:ez_publish:3.5.0:*:*:*:*:*:*:* |
| ez | ez_publish | 3.5.1 | cpe:2.3:a:ez:ez_publish:3.5.1:*:*:*:*:*:*:* |
| ez | ez_publish | 3.5.2 | cpe:2.3:a:ez:ez_publish:3.5.2:*:*:*:*:*:*:* |
| ez | ez_publish | 3.5.3 | cpe:2.3:a:ez:ez_publish:3.5.3:*:*:*:*:*:*:* |
| ez | ez_publish | 3.5.4 | cpe:2.3:a:ez:ez_publish:3.5.4:*:*:*:*:*:*:* |