CVE-2025-1766 | Event Manager, Events Calendar, Tickets, Registrations – Eventin <= 4.0.24 - Missing Authorization to Unauthenticated Payment Status Update

The Event Manager, Events Calendar, Tickets, Registrations – Eventin plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'payment_complete' function in all versions up to, and including, 4.0.24. This makes it possible for unauthenticated attackers to update the status of ticket payments to 'completed', possibly resulting in financial loss.

Published: 2025-03-20 Last update: 2025-08-11 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-1766 is rated Moderate Risk (41.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.35%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-1766

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 2026-04-30 0.48% 0.35% -0.13%
2 2026-04-28 0.27% 0.48% +0.21%
3 2025-12-14 — 0.27% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-1766

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 1.4 [email protected]

Weakness enumeration for CVE-2025-1766

Affected software / configurations for CVE-2025-1766

Vendor Product Version Raw CPE
themewinter eventin < 4.0.25 cpe:2.3:a:themewinter:eventin:*:*:*:*:*:wordpress:*:*

References for CVE-2025-1766

cvelogic Threat Intelligence