# CVE-2023-1893: Login Configurator <= 2.1 - Reflected Cross-Site Scripting

> Reflected XSS in Login Configurator allows attackers to execute scripts in admin sessions, potentially leading to account takeover.

- **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:** 17 Jul 2023
- **Updated:** 13 Feb 2025
- **Also known as:** GHSA-h99w-rr86-xx23

## What is CVE-2023-1893?

CVE-2023-1893 is a medium-severity cross-site scripting vulnerability in Unknown Login Configurator, published on 17 Jul 2023. 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 Login Configurator WordPress plugin through 2.1 does not properly escape a URL parameter before outputting it to the page, leading to a reflected cross-site scripting vulnerability targeting site administrators.

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

## Which versions are affected by CVE-2023-1893?

It affects 1 product.


Products: Login Configurator Project Login Configurator.

## How do I fix CVE-2023-1893?

No fix has been published for CVE-2023-1893 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-1893 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-1893 exists.

Public exploit code:

- Login Configurator <=2.1 - Cross-Site Scripting (nuclei): http/cves/2023/CVE-2023-1893.yaml

## Other vulnerabilities in Unknown Login Configurator

- [CVE-2023-34175](https://insights.sbomify.com/CVE-2023-34175/): WordPress Login Configurator Plugin <= 2.1 is vulnerable to Cross Site Scripting (XSS) (high 7.1)
- [CVE-2023-34369](https://insights.sbomify.com/CVE-2023-34369/): WordPress Login Configurator Plugin <= 2.1 is vulnerable to Cross Site Scripting (XSS) (medium 5.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-1893 and fix it if it is affected.

What it is: CVE-2023-1893 is a medium-severity cross-site scripting vulnerability in Unknown Login Configurator, published on 17 Jul 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-1893 exists.

Affected product: Unknown Login Configurator. 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-2023-1893/ (Markdown: https://insights.sbomify.com/CVE-2023-1893/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-1893
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-1893
- OSV: https://osv.dev/vulnerability/CVE-2023-1893

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-1893/
Summaries are generated and may contain mistakes; the official description above is the record.