# CVE-2020-36715: Login/Signup Popup < 1.5 - Missing Authorization

> Authenticated attackers can inject arbitrary scripts into plugin settings due to missing capability checks, leading to potential code execution.

- **Severity:** High 7.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 7 Jun 2023
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-98xf-q552-97w3

## What is CVE-2020-36715?

CVE-2020-36715 is a high-severity missing authorization vulnerability in xootix Login & Register Customizer – Popup | Slider | Inline | WooCommerce, published on 7 Jun 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The Login/Signup Popup plugin for WordPress is vulnerable to authorization bypass due to missing capability checks on several functions in versions up to, and including, 1.4. This makes it possible for authenticated attackers to inject arbitrary web scripts into the plugin settings that execute if they can successfully trick a user into performing an action such as clicking on a link.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2020-36715?

It affects 1 product.


Products: Xootix Login\/Signup Popup.

## How do I fix CVE-2020-36715?

No fix has been published for CVE-2020-36715 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-36715 being exploited?

There is no known exploitation of CVE-2020-36715 in the wild and no public exploit code.

## Other vulnerabilities in xootix Login & Register Customizer – Popup | Slider | Inline | WooCommerce

- [CVE-2024-5324](https://insights.sbomify.com/CVE-2024-5324/): XootiX Framework <= Various Plugin Versions - Missing Authorization to Arbitrary Options Update (high 8.8)
- [CVE-2022-0215](https://insights.sbomify.com/CVE-2022-0215/): XootiX Plugins <= Various Versions Cross-Site Request Forgery to Arbitrary Options Update (high 8.8)
- [CVE-2025-1064](https://insights.sbomify.com/CVE-2025-1064/): Cross-site scripting in Login & Register Customizer – Popup | Slider | Inline | WooCommerce (medium 6.4)
- [CVE-2024-5665](https://insights.sbomify.com/CVE-2024-5665/): Login/Signup Popup ( Inline Form + Woocommerce ) 2.7.1 - 2.7.2 - Missing Authorization to Arbitrary Options Exposure (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-36715 and fix it if it is affected.

What it is: CVE-2020-36715 is a high-severity missing authorization vulnerability in xootix Login & Register Customizer – Popup | Slider | Inline | WooCommerce, published on 7 Jun 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-36715 in the wild and no public exploit code.

Affected product: xootix Login & Register Customizer – Popup | Slider | Inline | WooCommerce. 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-2020-36715/ (Markdown: https://insights.sbomify.com/CVE-2020-36715/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-36715
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-36715
- OSV: https://osv.dev/vulnerability/CVE-2020-36715

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-36715/
Summaries are generated and may contain mistakes; the official description above is the record.