# CVE-2023-34377: WordPress My Content Management Plugin <= 1.7.6 is vulnerable to Cross Site Scripting (XSS)

> Administrators can inject malicious scripts via stored XSS in the My Content Management plugin, potentially compromising user sessions.

- **Severity:** Medium 5.9 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 5 Aug 2023
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-f9jp-pq3w-m5gp

## What is CVE-2023-34377?

CVE-2023-34377 is a medium-severity cross-site scripting vulnerability in Joseph C Dolson My Content Management, published on 5 Aug 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Joseph C Dolson My Content Management plugin <= 1.7.6 versions.

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

## Which versions are affected by CVE-2023-34377?

It affects 1 product.


Products: Joedolson My Content Management.

## How do I fix CVE-2023-34377?

No fix has been published for CVE-2023-34377 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-34377 being exploited?

There is no known exploitation of CVE-2023-34377 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-34377 and fix it if it is affected.

What it is: CVE-2023-34377 is a medium-severity cross-site scripting vulnerability in Joseph C Dolson My Content Management, published on 5 Aug 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2023-34377 in the wild and no public exploit code.

Affected product: Joseph C Dolson My Content Management. 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-2023-34377/ (Markdown: https://insights.sbomify.com/CVE-2023-34377/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-34377
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-34377
- OSV: https://osv.dev/vulnerability/CVE-2023-34377

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-34377/
Summaries are generated and may contain mistakes; the official description above is the record.