# CVE-2025-22635: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in imithemes Eventer eventer allows Refle


- **Severity:** High 7.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Fix available:** No
- **Published:** 23 Feb 2025
- **Updated:** 12 May 2026
- **Also known as:** GHSA-j9q9-9vq6-8m48

## What is CVE-2025-22635?

CVE-2025-22635 is a high-severity vulnerability in imithemes Eventer, published on 23 Feb 2025. 

### Official description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in imithemes Eventer eventer allows Reflected XSS.This issue affects Eventer: from n/a through < 3.9.9.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2025-22635?

It affects 1 product.


Products: Imithemes Eventer.

## How do I fix CVE-2025-22635?

No fix has been published for CVE-2025-22635 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-22635 being exploited?

There is no known exploitation of CVE-2025-22635 in the wild and no public exploit code.

## Other vulnerabilities in imithemes Eventer

- [CVE-2025-39481](https://insights.sbomify.com/CVE-2025-39481/): WordPress Eventer plugin < 3.11.4 - SQL Injection vulnerability (critical 9.3)
- [CVE-2025-0959](https://insights.sbomify.com/CVE-2025-0959/): Eventer - WordPress Event & Booking Manager Plugin <= 3.9.9.2 - Authenticated (Subscriber+) SQL Injection via reg_id (high 8.8)
- [CVE-2024-11135](https://insights.sbomify.com/CVE-2024-11135/): Eventer <= 3.9.8 - Unauthenticated SQL Injection via eventer_get_attendees (high 7.5)
- [CVE-2024-10799](https://insights.sbomify.com/CVE-2024-10799/): Eventer <= 3.9.7 - Authenticated (Subscriber+) Arbitrary File Read (medium 6.5)
- [CVE-2024-11132](https://insights.sbomify.com/CVE-2024-11132/): Eventer <= 3.9.9.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode (medium 6.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-22635 and fix it if it is affected.

What it is: CVE-2025-22635 is a high-severity vulnerability in imithemes Eventer, published on 23 Feb 2025. 
Exploitation: There is no known exploitation of CVE-2025-22635 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-2025-22635/ (Markdown: https://insights.sbomify.com/CVE-2025-22635/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-22635
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-22635
- OSV: https://osv.dev/vulnerability/CVE-2025-22635

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-22635/
Summaries are generated and may contain mistakes; the official description above is the record.