# CVE-2021-40289: mm-wiki is vulnerable to Cross-Site Scripting (XSS)

Source: https://junglewise.ai/threats/cve-2021-40289-mm-wiki-is-vulnerable-to-cross-site-scripting-xss  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-11-10  
License: CC BY 4.0 with a link back

CVE-2021-40289 · Severity: low · CVSS 3.1 · Published 2022-11-10

mm-wiki is vulnerable to Cross-Site Scripting (XSS)

Technologies: [github.com/phachon/mm-wiki (Go)](https://junglewise.ai/threats/technologies/github-com-phachon-mm-wiki). Vendors: [Go](https://junglewise.ai/threats/vendors/go).

## Quick answers

**Is CVE-2021-40289 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2021-40289 being exploited in the wild.

**How severe is CVE-2021-40289?** Low severity, with a CVSS score of 3.1, published 10 November 2022.

**Which products and versions are affected?** github.com/phachon/mm-wiki (Go) SEMVER:introduced=0,last_affected=0.2.1.

**Is there a fix for CVE-2021-40289?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2021-40289?** Check whether you run github.com/phachon/mm-wiki (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- github.com/phachon/mm-wiki (Go) SEMVER:introduced=0,last_affected=0.2.1

## Identifiers

- CVE-2021-40289
- GHSA-99g5-5643-xphp

## Related threats

- [Phachon mm-wiki Cross Site Request Forgery vulnerability](https://junglewise.ai/threats/cve-2020-19278-phachon-mm-wiki-cross-site-request-forgery-vulnerability)
- [Phachon mm-wiki vulnerable to stored cross-site scripting (XSS)](https://junglewise.ai/threats/cve-2020-19277-phachon-mm-wiki-vulnerable-to-stored-cross-site-scripting-xss)