# CVE-2022-45113: Open redirect in Movable Type

> Remote attackers can redirect users to malicious sites via crafted URLs, facilitating phishing attacks against Movable Type users.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 7 Dec 2022
- **Updated:** 23 Apr 2025
- **Also known as:** GHSA-8fc9-94c7-j435

## What is CVE-2022-45113?

CVE-2022-45113 is a medium-severity vulnerability in Six Apart Ltd. Movable Type, published on 7 Dec 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

Improper validation of syntactic correctness of input vulnerability exist in Movable Type series. Having a user to access a specially crafted URL may allow a remote unauthenticated attacker to set a specially crafted URL to the Reset Password page and conduct a phishing attack. Affected products/versions are as follows: Movable Type 7 r.5301 and earlier (Movable Type 7 Series), Movable Type Advanced 7 r.5301 and earlier (Movable Type Advanced 7 Series), Movable Type 6.8.7 and earlier (Movable Type 6 Series), Movable Type Advanced 6.8.7 and earlier (Movable Type Advanced 6 Series), Movable Type Premium 1.53 and earlier, and Movable Type Premium Advanced 1.53 and earlier.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2022-45113?

It affects 1 product.


Products: Sixapart Movable Type.

## How do I fix CVE-2022-45113?

No fix has been published for CVE-2022-45113 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-45113 being exploited?

There is no known exploitation of CVE-2022-45113 in the wild and no public exploit code.

## Other vulnerabilities in Six Apart Ltd. Movable Type

- [CVE-2009-0752](https://insights.sbomify.com/CVE-2009-0752/): Other in n/a (critical 10.0)
- [CVE-2022-38078](https://insights.sbomify.com/CVE-2022-38078/): Command injection in Movable Type XMLRPC API (critical 9.8)
- [CVE-2021-20837](https://insights.sbomify.com/CVE-2021-20837/): Command injection in Movable Type (critical 9.8)
- [CVE-2016-5742](https://insights.sbomify.com/CVE-2016-5742/): SQL injection in n/a (critical 9.8)
- [CVE-2026-25776](https://insights.sbomify.com/CVE-2026-25776/): Code injection in Movable Type (critical 9.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-45113 and fix it if it is affected.

What it is: CVE-2022-45113 is a medium-severity vulnerability in Six Apart Ltd. Movable Type, published on 7 Dec 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2022-45113 in the wild and no public exploit code.

Affected product: Six Apart Ltd. Movable Type. 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-2022-45113/ (Markdown: https://insights.sbomify.com/CVE-2022-45113/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-45113
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-45113
- OSV: https://osv.dev/vulnerability/CVE-2022-45113

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-45113/
Summaries are generated and may contain mistakes; the official description above is the record.