# CVE-2022-1990: Nested Pages < 3.1.21 - Admin+ Stored Cross Site Scripting

> High-privilege users can inject malicious scripts via unsanitized settings in the Nested Pages WordPress plugin, leading to stored XSS.

- **Severity:** Medium 4.8 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N`)
- **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:** 27 Jun 2022
- **Updated:** 20 Nov 2024
- **Also known as:** GHSA-xqgh-cm65-m6gj

## What is CVE-2022-1990?

CVE-2022-1990 is a medium-severity cross-site scripting vulnerability in Unknown Nested Pages, published on 27 Jun 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

The Nested Pages WordPress plugin before 3.1.21 does not escape and sanitize the some of its settings, which could allow high privilege users to perform Stored Cross-Site Scripting attacks when the unfiltered_html is disallowed

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

## Which versions are affected by CVE-2022-1990?

It affects 1 product.


Products: Kylephillips Nested Pages.

## How do I fix CVE-2022-1990?

No fix has been published for CVE-2022-1990 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-1990 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-1990 exists.

## Other vulnerabilities in Unknown Nested Pages

- [CVE-2024-5943](https://insights.sbomify.com/CVE-2024-5943/): Nested Pages <= 3.2.7 - Cross-Site Request Forgery to Local File Inclusion (high 8.8)
- [CVE-2021-38342](https://insights.sbomify.com/CVE-2021-38342/): Nested Pages <= 3.1.15 Cross-Site Request Forgery to Arbitrary Post Deletion and Modification (high 8.1)
- [CVE-2023-49195](https://insights.sbomify.com/CVE-2023-49195/): WordPress Nested Pages Plugin <= 3.2.6 is vulnerable to Cross Site Scripting (XSS) (medium 5.9)
- [CVE-2024-8759](https://insights.sbomify.com/CVE-2024-8759/): Nested Pages <= 3.2.8 - Editor+ Stored XSS (medium 4.8)
- [CVE-2025-0718](https://insights.sbomify.com/CVE-2025-0718/): Nested Pages < 3.2.13 - Contributor+ Stored XSS (medium 4.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-1990 and fix it if it is affected.

What it is: CVE-2022-1990 is a medium-severity cross-site scripting vulnerability in Unknown Nested Pages, published on 27 Jun 2022. An attacker needs administrator access to exploit it, 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-2022-1990 exists.

Affected product: Unknown Nested Pages. 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-2022-1990/ (Markdown: https://insights.sbomify.com/CVE-2022-1990/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-1990
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-1990
- OSV: https://osv.dev/vulnerability/CVE-2022-1990

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-1990/
Summaries are generated and may contain mistakes; the official description above is the record.