# CVE-2021-24958: Meks Easy Photo Feed Widget < 1.2.4 - Subscriber+ Settings Update to Stored XSS

> Authenticated users can inject malicious scripts into plugin settings due to missing capability checks and output escaping, leading to stored XSS.

- **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:** 14 Mar 2022
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-gjrp-2m36-6xcw

## What is CVE-2021-24958?

CVE-2021-24958 is a medium-severity cross-site scripting vulnerability in Unknown Meks Easy Photo Feed Widget, published on 14 Mar 2022. 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 Meks Easy Photo Feed Widget WordPress plugin before 1.2.4 does not have capability and CSRF checks in the meks_save_business_selected_account AJAX action, available to any authenticated user, and does not escape some of the settings. As a result, any authenticated user, such as subscriber could update the plugin's settings and put Cross-Site Scripting payloads in them

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

## Which versions are affected by CVE-2021-24958?

It affects 1 product.


Products: Mekshq Meks Easy Photo Feed Widget.

## How do I fix CVE-2021-24958?

No fix has been published for CVE-2021-24958 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24958 being exploited?

There is no known exploitation of CVE-2021-24958 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24958 and fix it if it is affected.

What it is: CVE-2021-24958 is a medium-severity cross-site scripting vulnerability in Unknown Meks Easy Photo Feed Widget, published on 14 Mar 2022. 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-2021-24958 in the wild and no public exploit code.

Affected product: Unknown Meks Easy Photo Feed Widget. 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-2021-24958/ (Markdown: https://insights.sbomify.com/CVE-2021-24958/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24958
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24958
- OSV: https://osv.dev/vulnerability/CVE-2021-24958

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-24958/
Summaries are generated and may contain mistakes; the official description above is the record.