# CVE-2025-39483: WordPress Eventer plugin < 3.9.9.1 - Content Injection vulnerability

> Attackers can inject malicious code into the WordPress Eventer plugin, potentially leading to remote code execution on the site.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 14 Aug 2025
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-43h7-8r9h-f5p7

## What is CVE-2025-39483?

CVE-2025-39483 is a medium-severity code injection vulnerability in imithemes Eventer, published on 14 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Improper Control of Generation of Code ('Code Injection') vulnerability in imithemes Eventer eventer allows Code Injection.This issue affects Eventer: from n/a through < 3.9.9.1.

Weakness: CWE-94 (Improper Control of Generation of Code)

## Which versions are affected by CVE-2025-39483?


## How do I fix CVE-2025-39483?

No fix has been published for CVE-2025-39483 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-39483 being exploited?

There is no known exploitation of CVE-2025-39483 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-39483 and fix it if it is affected.

What it is: CVE-2025-39483 is a medium-severity code injection vulnerability in imithemes Eventer, published on 14 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-39483 in the wild and no public exploit code.

Affected product: imithemes Eventer. 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-2025-39483/ (Markdown: https://insights.sbomify.com/CVE-2025-39483/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-39483
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-39483
- OSV: https://osv.dev/vulnerability/CVE-2025-39483

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-39483/
Summaries are generated and may contain mistakes; the official description above is the record.