The Event Espresso 4 Decaf – Event Registration Event Ticketing plugin for WordPress is vulnerable to limited unauthorized plugin settings modification due to a missing capability check on the saveTimezoneString and some other functions in all versions up to and including 4.10.46.decaf. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify some of the plugin settings.
Conclusion & alert: CVE-2024-6883 is rated Low Risk (33.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.25%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 2026-04-29 | 0.25% | 0.25% | -0.01% |
| 2 | 2026-04-21 | 0.19% | 0.25% | +0.07% |
| 3 | 2025-11-21 | — | 0.19% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 3.1 | MEDIUM |
|
2.8 | 1.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| eventespresso | event_espresso | < 5.0.22 | cpe:2.3:a:eventespresso:event_espresso:*:*:*:*:decaf:wordpress:*:* |