# CVE-2020-35037: Events Manager < 5.9.8 - Cross-Site Scripting (XSS)

> An attacker can inject malicious scripts via unsanitized search parameters in the Events Manager WordPress plugin, potentially compromising user sessions.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 1 Dec 2021
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-hcc9-4397-fcwc

## What is CVE-2020-35037?

CVE-2020-35037 is a medium-severity cross-site scripting vulnerability in Unknown Events Manager, published on 1 Dec 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

The Events Manager WordPress plugin before 5.9.8 does not sanitise and escape some search parameter before outputing them in pages, which could lead to Cross-Site Scripting issues

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

## Which versions are affected by CVE-2020-35037?

It affects 1 product.


Products: Pixelite Events Manager.

## How do I fix CVE-2020-35037?

No fix has been published for CVE-2020-35037 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-35037 being exploited?

There is no known exploitation of CVE-2020-35037 in the wild and no public exploit code.

## Other vulnerabilities in Unknown Events Manager

- [CVE-2015-9298](https://insights.sbomify.com/CVE-2015-9298/): Code injection in n/a (critical 9.8)
- [CVE-2025-6970](https://insights.sbomify.com/CVE-2025-6970/): Events Manager <= 7.0.3 - Unauthenticated SQL Injection via `orderby` Parameter (high 7.5)
- [CVE-2024-11260](https://insights.sbomify.com/CVE-2024-11260/): SQL injection in Events Manager – Calendar, Bookings, Tickets, and more! (high 7.5)
- [CVE-2020-35012](https://insights.sbomify.com/CVE-2020-35012/): Events Manager < 5.9.8 - Admin+ SQL Injection (high 7.2)
- [CVE-2023-48326](https://insights.sbomify.com/CVE-2023-48326/): WordPress Events Manager Plugin <= 6.4.5 is vulnerable to Cross Site Scripting (XSS) (high 7.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-35037 and fix it if it is affected.

What it is: CVE-2020-35037 is a medium-severity cross-site scripting vulnerability in Unknown Events Manager, published on 1 Dec 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2020-35037 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-2020-35037/ (Markdown: https://insights.sbomify.com/CVE-2020-35037/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-35037
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-35037
- OSV: https://osv.dev/vulnerability/CVE-2020-35037

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-35037/
Summaries are generated and may contain mistakes; the official description above is the record.