# CVE-2023-2353: CHP Ads Block Detector <= 3.9.4 - Missing Authorization to Plugin Settings Update

> Subscribers can modify or reset plugin settings due to missing capability checks in the CHP Ads Block Detector WordPress plugin.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/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-4rrx-pvg4-78rv

## What is CVE-2023-2353?

CVE-2023-2353 is a medium-severity missing authorization 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 unauthorized plugin settings update and reset due to a missing capability check on the chp_abd_action function in versions up to, and including, 3.9.4. This makes it possible for subscriber-level attackers to change or reset plugin settings. CVE-2023-36509 appears to be a duplicate of this issue.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2023-2353?

It affects 1 product.


Products: Sureshchand Chp Ads Block Detector.

## How do I fix CVE-2023-2353?

No fix has been published for CVE-2023-2353 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-2353 being exploited?

There is no known exploitation of CVE-2023-2353 in the wild and no public exploit code.

## Other vulnerabilities in sureshchand12a CHP Ads Block Detector

- [CVE-2023-2354](https://insights.sbomify.com/CVE-2023-2354/): CHP Ads Block Detector <= 3.9.4 - Authenticated (Subscriber+) Stored Cross-Site Scripting (medium 4.9)
- [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)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-2353 and fix it if it is affected.

What it is: CVE-2023-2353 is a medium-severity missing authorization 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-2023-2353 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-2023-2353/ (Markdown: https://insights.sbomify.com/CVE-2023-2353/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-2353
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-2353
- OSV: https://osv.dev/vulnerability/CVE-2023-2353

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-2353/
Summaries are generated and may contain mistakes; the official description above is the record.