CVE-2026-13171: Eventin (WordPress plugin) · Improper Access Control
Affects Eventin (WordPress plugin)Source CVE Database V5
Not known to be exploited · CVSS 8.2 High : upgrade to 4.1.20 soon.
Data as of 11 Nov 2026, 23:24 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 26% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 4.1.20
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 12 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 11 Nov 2026.
What to do
Upgrade Eventin (WordPress plugin) to 4.1.20.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Eventin | Affected
| Fixed in
|
AI-suggested
If you cannot patch yet, restrict access to the waiting-list registration handler if possible or monitor for suspicious account creation activity related to the plugin.
Description
The Eventin WordPress plugin before 4.1.20 does not perform an authorization check on its waiting-list registration handler, allowing unauthenticated users to create WordPress user accounts for arbitrary email addresses and inject order records.