# CVE-2026-22210: wpDiscuz before 7.6.47 - Cross-Site Scripting via Unescaped Attachment URLs

> Attackers can inject malicious JavaScript via unescaped attachment URLs in wpDiscuz comments, executing code in the context of viewing users.

- **Severity:** Low 2.1 (`CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA: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:** 13 Mar 2026
- **Updated:** 13 Mar 2026
- **Also known as:** GHSA-34jf-g4m6-4f57

## What is CVE-2026-22210?

CVE-2026-22210 is a low-severity cross-site scripting vulnerability in gVectors wpDiscuz, published on 13 Mar 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

wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability that allows attackers to inject malicious code through unescaped attachment URLs in HTML output by exploiting the WpdiscuzHelperUpload class. Attackers can craft malicious attachment records or filter hooks to inject arbitrary JavaScript into img and anchor tag attributes, executing code in the context of WordPress users viewing comments.

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

## Which versions are affected by CVE-2026-22210?

It affects 1 product.


Products: Gvectors Wpdiscuz.

## How do I fix CVE-2026-22210?

No fix has been published for CVE-2026-22210 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-22210 being exploited?

There is no known exploitation of CVE-2026-22210 in the wild and no public exploit code.

## Other vulnerabilities in gVectors wpDiscuz

- [CVE-2020-24186](https://insights.sbomify.com/CVE-2020-24186/): File upload in n/a (critical 10.0)
- [CVE-2024-9488](https://insights.sbomify.com/CVE-2024-9488/): Comments – wpDiscuz <= 7.6.24 - Authentication Bypass via WordPress.com OAuth provider (critical 9.8)
- [CVE-2020-13640](https://insights.sbomify.com/CVE-2020-13640/): SQL injection in n/a (critical 9.8)
- [CVE-2026-22193](https://insights.sbomify.com/CVE-2026-22193/): wpDiscuz before 7.6.47 - SQL Injection in getAllSubscriptions() (critical 9.2)
- [CVE-2026-22192](https://insights.sbomify.com/CVE-2026-22192/): Voltronic Power SNMP Web Pro 1.1 Authentication Bypass via localStorage (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-22210 and fix it if it is affected.

What it is: CVE-2026-22210 is a low-severity cross-site scripting vulnerability in gVectors wpDiscuz, published on 13 Mar 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-22210 in the wild and no public exploit code.

Affected product: gVectors wpDiscuz. 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-2026-22210/ (Markdown: https://insights.sbomify.com/CVE-2026-22210/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-22210
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-22210
- OSV: https://osv.dev/vulnerability/CVE-2026-22210

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-22210/
Summaries are generated and may contain mistakes; the official description above is the record.