# CVE-2026-17010: Saitama Addon Pack <= 1.0.8 - Contributor+ Stored XSS via Post Meta

> Contributors can inject stored XSS payloads via post metadata, allowing code execution in the browsers of higher-privileged users reviewing the content.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/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:** A user has to click or open something
- **Fix available:** No
- **Published:** 10 Aug 2026
- **Updated:** 10 Aug 2026
- **Also known as:** GHSA-6gq8-gfgv-846h

## What is CVE-2026-17010?

CVE-2026-17010 is a medium-severity cross-site scripting vulnerability in Unknown Saitama Addon Pack, published on 10 Aug 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

The Saitama Addon Pack WordPress plugin through 1.0.8 does not sanitise and escape certain post metadata values before outputting them, allowing users with contributor-level access and above to inject stored Cross-Site Scripting payloads that execute in the browser of a higher-privileged user who reviews the content.

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

## Which versions are affected by CVE-2026-17010?


## How do I fix CVE-2026-17010?

No fix has been published for CVE-2026-17010 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-17010 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-17010 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-17010 and fix it if it is affected.

What it is: CVE-2026-17010 is a medium-severity cross-site scripting vulnerability in Unknown Saitama Addon Pack, published on 10 Aug 2026. Any signed-in user can exploit it over the network, 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-2026-17010 exists.

Affected product: Unknown Saitama Addon Pack. 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-2026-17010/ (Markdown: https://insights.sbomify.com/CVE-2026-17010/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-17010
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-17010
- OSV: https://osv.dev/vulnerability/CVE-2026-17010

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-17010/
Summaries are generated and may contain mistakes; the official description above is the record.