# CVE-2020-36834: Discount Rules for WooCommerce <= 2.0.2 - Missing Authorization

> Subscribers can modify discount rules and save configurations due to missing capability checks in AJAX actions.

- **Severity:** Medium 6.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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:** 16 Oct 2024
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-fpvw-jg53-vrvc

## What is CVE-2020-36834?

CVE-2020-36834 is a medium-severity missing authorization vulnerability in flycart Discount Rules for WooCommerce, published on 16 Oct 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The Discount Rules for WooCommerce plugin for WordPress is vulnerable to missing authorization via several AJAX actions in versions up to, and including, 2.0.2 due to missing capability checks on various functions. This makes it possible for subscriber-level attackers to execute various actions and perform a wide variety of actions such as modifying rules and saving configurations.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2020-36834?


## How do I fix CVE-2020-36834?

No fix has been published for CVE-2020-36834 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-36834 being exploited?

There is no known exploitation of CVE-2020-36834 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-36834 and fix it if it is affected.

What it is: CVE-2020-36834 is a medium-severity missing authorization vulnerability in flycart Discount Rules for WooCommerce, published on 16 Oct 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-36834 in the wild and no public exploit code.

Affected product: flycart Discount Rules for 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-2020-36834/ (Markdown: https://insights.sbomify.com/CVE-2020-36834/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-36834
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-36834
- OSV: https://osv.dev/vulnerability/CVE-2020-36834

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-36834/
Summaries are generated and may contain mistakes; the official description above is the record.