# CVE-2025-49923: WordPress Seriously Simple Podcasting plugin <= 3.11.1 - Cross Site Scripting (XSS) vulnerability

> An attacker can execute arbitrary scripts in the context of other users via DOM-based XSS in the Seriously Simple Podcasting plugin.

- **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:** 22 Oct 2025
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-98cc-87q9-qq36

## What is CVE-2025-49923?

CVE-2025-49923 is a medium-severity cross-site scripting vulnerability in Craig Hewitt Seriously Simple Podcasting, published on 22 Oct 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Craig Hewitt Seriously Simple Podcasting seriously-simple-podcasting allows DOM-Based XSS.This issue affects Seriously Simple Podcasting: from n/a through <= 3.11.1.

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

## Which versions are affected by CVE-2025-49923?

It affects 1 product.


Products: Castos Seriously Simple Podcasting.

## How do I fix CVE-2025-49923?

No fix has been published for CVE-2025-49923 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-49923 being exploited?

There is no known exploitation of CVE-2025-49923 in the wild and no public exploit code.

## Other vulnerabilities in Craig Hewitt Seriously Simple Podcasting

- [CVE-2024-25599](https://insights.sbomify.com/CVE-2024-25599/): WordPress Seriously Simple Podcasting plugin <= 3.0.2 - Reflected Cross Site Scripting (XSS) vulnerability (high 7.1)
- [CVE-2024-9667](https://insights.sbomify.com/CVE-2024-9667/): Seriously Simple Podcasting <= 3.5.0 - Reflected Cross-Site Scripting via add_query_arg Parameter (medium 6.1)
- [CVE-2025-46261](https://insights.sbomify.com/CVE-2025-46261/): WordPress Seriously Simple Podcasting plugin <= 3.9.0 - Cross Site Scripting (XSS) vulnerability (medium 5.9)
- [CVE-2022-4571](https://insights.sbomify.com/CVE-2022-4571/): Seriously Simple Podcasting < 2.19.1 - Contributor+ Stored XSS (medium 5.4)
- [CVE-2022-40132](https://insights.sbomify.com/CVE-2022-40132/): WordPress Seriously Simple Podcasting plugin <= 2.16.0 - Cross-Site Request Forgery (CSRF) vulnerability (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-49923 and fix it if it is affected.

What it is: CVE-2025-49923 is a medium-severity cross-site scripting vulnerability in Craig Hewitt Seriously Simple Podcasting, published on 22 Oct 2025. 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-2025-49923 in the wild and no public exploit code.

Affected product: Craig Hewitt Seriously Simple Podcasting. 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-2025-49923/ (Markdown: https://insights.sbomify.com/CVE-2025-49923/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-49923
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-49923
- OSV: https://osv.dev/vulnerability/CVE-2025-49923

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-49923/
Summaries are generated and may contain mistakes; the official description above is the record.