# CVE-2026-93661: Events Manager < 7.4.5 - Contributor+ Arbitrary Ticket Overwrite via IDOR

> Contributors can overwrite and reassign arbitrary tickets to their own events due to missing authorization checks in the Events Manager plugin.

- **Severity:** Low 2.7 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 24 Sep 2026
- **Updated:** 24 Sep 2026
- **Also known as:** GHSA-m227-gvmr-hx3v

## What is CVE-2026-93661?

CVE-2026-93661 is a low-severity missing authorization vulnerability in Unknown Events Manager, published on 24 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

The Events Manager  WordPress plugin before 7.4.5 does not stop a ticket-update request from replacing the identifiers of the ticket it was authorized against, letting a user who can manage one event's tickets overwrite and reassign any ticket on the site to their own event.

Weakness: CWE-639 (Authorization Bypass Through User-Controlled Key)

## Which versions are affected by CVE-2026-93661?


## How do I fix CVE-2026-93661?

No fix has been published for CVE-2026-93661 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-93661 being exploited?

There is no known exploitation of CVE-2026-93661 in the wild and no public exploit code.

Public exploit code:

- IDOR/BOLA in Events Manager <= 7.4.3 REST ticket update endpoint — CVE-2026-93661 (github_poc): https://github.com/Hasyros/CVE-2026-93661-idor-events-manager

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-93661 and fix it if it is affected.

What it is: CVE-2026-93661 is a low-severity missing authorization vulnerability in Unknown Events Manager, published on 24 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-93661 in the wild and no public exploit code.

Affected product: Unknown Events Manager. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-93661/ (Markdown: https://insights.sbomify.com/CVE-2026-93661/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-93661
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-93661
- OSV: https://osv.dev/vulnerability/CVE-2026-93661

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-93661/
Summaries are generated and may contain mistakes; the official description above is the record.