# CVE-2021-32245: Cross-site scripting in PageKit

> Attackers can upload malicious SVG files to trigger Cross-Site Scripting (XSS) attacks against other users of the PageKit CMS.

- **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:** 16 Jun 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-mrwr-2945-fr22

## What is CVE-2021-32245?

CVE-2021-32245 is a medium-severity cross-site scripting vulnerability in n/a, published on 16 Jun 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

In PageKit v1.0.18, a user can upload SVG files in the file upload portion of the CMS. These SVG files can contain malicious scripts. This file will be uploaded to the system and it will not be stripped or filtered. The user can create a link on the website pointing to "/storage/exp.svg" that will point to http://localhost/pagekit/storage/exp.svg. When a user comes along to click that link, it will trigger a XSS attack.

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

## Which versions are affected by CVE-2021-32245?

2 open source packages ship an affected version, including pagekit/pagekit. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `pagekit/pagekit` | Packagist | All versions to 1.0.18 | None |
| `pagekit/pagekit` | Packagist | All versions to 1.0.18 | None |

Products: Pagekit Pagekit.

## How do I fix CVE-2021-32245?

No fix has been published for CVE-2021-32245 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-32245 being exploited?

There is no known exploitation of CVE-2021-32245 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2025-67164](https://insights.sbomify.com/CVE-2025-67164/): Pagekit CMS is vulnerable to OS Command Injection via Storage component (critical 9.9)
- [CVE-2025-67165](https://insights.sbomify.com/CVE-2025-67165/): Pagekit CMS has an Insecure Direct Object Reference (IDOR) in its User Role component (critical 9.8)
- [CVE-2022-38916](https://insights.sbomify.com/CVE-2022-38916/): Pagekit vulnerable to Unrestricted Upload of File with Dangerous Type (critical 9.8)
- [CVE-2021-44135](https://insights.sbomify.com/CVE-2021-44135/): SQL injection in pagekit/pagekit (critical 9.8)
- [CVE-2019-19013](https://insights.sbomify.com/CVE-2019-19013/): Pagekit File Upload vulnerability (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-32245 and fix it if it is affected.

What it is: CVE-2021-32245 is a medium-severity cross-site scripting vulnerability in n/a, published on 16 Jun 2021. 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-2021-32245 in the wild and no public exploit code.

Affected packages and fixed versions:
- pagekit/pagekit (Packagist): affected all versions up to 1.0.18; no fix listed
- pagekit/pagekit (Packagist): affected all versions up to 1.0.18; no fix listed

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-2021-32245/ (Markdown: https://insights.sbomify.com/CVE-2021-32245/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-32245
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-32245
- OSV: https://osv.dev/vulnerability/CVE-2021-32245

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-32245/
Summaries are generated and may contain mistakes; the official description above is the record.