# CVE-2024-8665: YITH Custom Login <= 1.7.3 - Reflected Cross-Site Scripting

> Unauthenticated attackers can inject arbitrary web scripts via reflected XSS in the YITH Custom Login WordPress plugin, requiring user interaction to execute.

- **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:** Yes
- **Published:** 13 Sep 2024
- **Updated:** 8 Apr 2026
- **Also known as:** BIT-wordpress-2024-8665, BIT-wordpress-multisite-2024-8665, GHSA-7fgm-q7w5-rr3c

## What is CVE-2024-8665?

CVE-2024-8665 is a medium-severity cross-site scripting vulnerability in yithemes YITH Custom Login, published on 13 Sep 2024. 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 YITH Custom Login plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 1.7.3. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

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

## Which versions are affected by CVE-2024-8665?

2 open source packages ship an affected version, including wordpress and wordpress-multisite. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `wordpress` | Bitnami | All versions | 1.7.4 |
| `wordpress-multisite` | Bitnami | All versions | 1.7.4 |

Products: Yithemes Yith Custom Login.

## How do I fix CVE-2024-8665?

Upgrade wordpress to 1.7.4 or later.

## Is CVE-2024-8665 being exploited?

There is no known exploitation of CVE-2024-8665 in the wild and no public exploit code.

## Other vulnerabilities in yithemes YITH Custom Login

- [CVE-2024-35732](https://insights.sbomify.com/CVE-2024-35732/): WordPress YITH Custom Login plugin <= 1.7.0 - Cross Site Scripting (XSS) vulnerability (medium 5.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-8665 and fix it if it is affected.

What it is: CVE-2024-8665 is a medium-severity cross-site scripting vulnerability in yithemes YITH Custom Login, published on 13 Sep 2024. 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-2024-8665 in the wild and no public exploit code.

Affected packages and fixed versions:
- wordpress (Bitnami): affected all versions; fixed in 1.7.4
- wordpress-multisite (Bitnami): affected all versions; fixed in 1.7.4

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-2024-8665/ (Markdown: https://insights.sbomify.com/CVE-2024-8665/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-8665
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-8665
- OSV: https://osv.dev/vulnerability/CVE-2024-8665

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-8665/
Summaries are generated and may contain mistakes; the official description above is the record.