# CVE-2023-3356: Subscribers Text Counter < 1.7.1 - Settings Update via CSRF to Stored XSS

> Attackers can force admins to update settings via CSRF, leading to stored XSS and potential code execution in the Subscribers Text Counter plugin.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 30 Aug 2023
- **Updated:** 1 Oct 2024
- **Also known as:** GHSA-4qxw-3pvc-p23w

## What is CVE-2023-3356?

CVE-2023-3356 is a medium-severity vulnerability in Unknown Subscribers Text Counter, published on 30 Aug 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

The Subscribers Text Counter WordPress plugin before 1.7.1 does not have CSRF check in place when updating its settings, which could allow attackers to make a logged in admin change them via a CSRF attack, which also lead to Stored Cross-Site Scripting due to the lack of sanitisation and escaping

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2023-3356?

It affects 1 product.


Products: Kreci Subscribers Text Counter.

## How do I fix CVE-2023-3356?

No fix has been published for CVE-2023-3356 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-3356 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-3356 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-3356 and fix it if it is affected.

What it is: CVE-2023-3356 is a medium-severity vulnerability in Unknown Subscribers Text Counter, published on 30 Aug 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-3356 exists.

Affected product: Unknown Subscribers Text Counter. 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-2023-3356/ (Markdown: https://insights.sbomify.com/CVE-2023-3356/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-3356
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-3356
- OSV: https://osv.dev/vulnerability/CVE-2023-3356

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-3356/
Summaries are generated and may contain mistakes; the official description above is the record.