# CVE-2023-2354: CHP Ads Block Detector <= 3.9.4 - Authenticated (Subscriber+) Stored Cross-Site Scripting

> Authenticated subscribers can inject arbitrary scripts via admin settings, leading to stored XSS execution for other users.

- **Severity:** Medium 4.9 (`CVSS:3.1/AV:N/AC:H/PR:L/UI:N/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:** Not needed
- **Fix available:** No
- **Published:** 31 Aug 2023
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-66m6-jpmj-9h43

## What is CVE-2023-2354?

CVE-2023-2354 is a medium-severity cross-site scripting vulnerability in sureshchand12a CHP Ads Block Detector, published on 31 Aug 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The CHP Ads Block Detector plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings reachable though an AJAX action in versions up to, and including, 3.9.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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

## Which versions are affected by CVE-2023-2354?

It affects 1 product.


Products: Sureshchand Chp Ads Block Detector.

## How do I fix CVE-2023-2354?

No fix has been published for CVE-2023-2354 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-2354 being exploited?

There is no known exploitation of CVE-2023-2354 in the wild and no public exploit code.

## Other vulnerabilities in sureshchand12a CHP Ads Block Detector

- [CVE-2023-2352](https://insights.sbomify.com/CVE-2023-2352/): CHP Ads Block Detector <= 3.9.4 - Cross-Site Request Forgery via chp_abd_action (medium 4.3)
- [CVE-2023-2353](https://insights.sbomify.com/CVE-2023-2353/): CHP Ads Block Detector <= 3.9.4 - Missing Authorization to Plugin Settings Update (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-2354 and fix it if it is affected.

What it is: CVE-2023-2354 is a medium-severity cross-site scripting vulnerability in sureshchand12a CHP Ads Block Detector, published on 31 Aug 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-2023-2354 in the wild and no public exploit code.

Affected product: sureshchand12a CHP Ads Block Detector. 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-2023-2354/ (Markdown: https://insights.sbomify.com/CVE-2023-2354/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-2354
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-2354
- OSV: https://osv.dev/vulnerability/CVE-2023-2354

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-2354/
Summaries are generated and may contain mistakes; the official description above is the record.