# CVE-2021-24839: SupportCandy < 2.2.5 - Unauthenticated Arbitrary Ticket Deletion

> Unauthenticated attackers can delete arbitrary support tickets due to missing authorization checks in the SupportCandy WordPress plugin.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 7 Feb 2022
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-q2j9-7728-x3pg

## What is CVE-2021-24839?

CVE-2021-24839 is a high-severity missing authorization vulnerability in Unknown SupportCandy – Helpdesk & Support Ticket System, published on 7 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The SupportCandy WordPress plugin before 2.2.5 does not have authorisation and CSRF checks in its wpsc_tickets AJAX action, which could allow unauthenticated users to call it and delete arbitrary tickets via the set_delete_permanently_bulk_ticket setting_action. Other actions may be affected as well.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2021-24839?

It affects 1 product.


Products: Supportcandy Supportcandy.

## How do I fix CVE-2021-24839?

No fix has been published for CVE-2021-24839 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24839 being exploited?

There is no known exploitation of CVE-2021-24839 in the wild and no public exploit code.

## Other vulnerabilities in Unknown SupportCandy – Helpdesk & Support Ticket System

- [CVE-2023-1730](https://insights.sbomify.com/CVE-2023-1730/): SupportCandy < 3.1.5 - Unauthenticated SQLi (critical 9.8)
- [CVE-2019-11223](https://insights.sbomify.com/CVE-2019-11223/): File upload in n/a (critical 9.8)
- [CVE-2023-2719](https://insights.sbomify.com/CVE-2023-2719/): SupportCandy < 3.1.7 - Subscriber+ SQLi (high 8.8)
- [CVE-2021-24879](https://insights.sbomify.com/CVE-2021-24879/): SupportCandy < 2.2.7 - CSRF to Cross-Site Scripting (high 8.8)
- [CVE-2023-2805](https://insights.sbomify.com/CVE-2023-2805/): SupportCandy < 3.1.7 - Admin+ SQLi (high 7.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24839 and fix it if it is affected.

What it is: CVE-2021-24839 is a high-severity missing authorization vulnerability in Unknown SupportCandy – Helpdesk & Support Ticket System, published on 7 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-24839 in the wild and no public exploit code.

Affected product: Unknown SupportCandy – Helpdesk & Support Ticket System. 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-2021-24839/ (Markdown: https://insights.sbomify.com/CVE-2021-24839/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24839
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24839
- OSV: https://osv.dev/vulnerability/CVE-2021-24839

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-24839/
Summaries are generated and may contain mistakes; the official description above is the record.