# CVE-2021-24822: Stylish Cost Calculator < 7.04 - Subscriber+ Unauthorised AJAX Calls to Stored XSS

> Authenticated users can trigger stored XSS via unsecured AJAX calls, potentially compromising admin sessions and frontend users.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 29 Nov 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-wjf7-gjcp-9frw

## What is CVE-2021-24822?

CVE-2021-24822 is a medium-severity cross-site scripting vulnerability in Unknown Stylish Cost Calculator, published on 29 Nov 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

The Stylish Cost Calculator WordPress plugin before 7.0.4 does not have any authorisation and CSRF checks on some of its AJAX actions (available to authenticated users), which could allow any authenticated users, such as subscriber to call them, and perform Stored Cross-Site Scripting attacks against logged in admin, as well as frontend users due to the lack of sanitisation and escaping in some parameters

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation), CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2021-24822?

It affects 1 product.


Products: Stylishcostcalculator Stylish Cost Calculator.

## How do I fix CVE-2021-24822?

No fix has been published for CVE-2021-24822 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24822 being exploited?

There is no known exploitation of CVE-2021-24822 in the wild and no public exploit code.

## Other vulnerabilities in Unknown Stylish Cost Calculator

- [CVE-2023-0983](https://insights.sbomify.com/CVE-2023-0983/): Stylish Cost Calculator Premium < 7.9.0 - Unauthenticated Stored XSS (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24822 and fix it if it is affected.

What it is: CVE-2021-24822 is a medium-severity cross-site scripting vulnerability in Unknown Stylish Cost Calculator, published on 29 Nov 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-24822 in the wild and no public exploit code.

Affected product: Unknown Stylish Cost Calculator. 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-2021-24822/ (Markdown: https://insights.sbomify.com/CVE-2021-24822/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24822
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24822
- OSV: https://osv.dev/vulnerability/CVE-2021-24822

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-24822/
Summaries are generated and may contain mistakes; the official description above is the record.