# CVE-2020-19278: Phachon mm-wiki Cross Site Request Forgery vulnerability

> A CSRF vulnerability in mm-wiki allows remote attackers to execute arbitrary code via the user save parameter.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **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:** 4 Apr 2023
- **Updated:** 14 Feb 2025
- **Also known as:** GHSA-f6xp-59jq-r35c

## What is CVE-2020-19278?

CVE-2020-19278 is a high-severity vulnerability in n/a, published on 4 Apr 2023. 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

Cross Site Request Forgery vulnerability found in Phachon mm-wiki v.0.1.2 allows a remote attacker to execute arbitrary code via the system/user/save parameter.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2020-19278?

2 open source packages ship an affected version, including github.com/phachon/mm-wiki. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `github.com/phachon/mm-wiki` | Go | All versions to 0.1.2 | None |
| `github.com/phachon/mm-wiki` | Go | All versions to 0.1.2 | None |

Products: Mm-Wiki Project Mm-Wiki.

## How do I fix CVE-2020-19278?

No fix has been published for CVE-2020-19278 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-19278 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-19278 exists.

## Other vulnerabilities in n/a

- [CVE-2021-39394](https://insights.sbomify.com/CVE-2021-39394/): Cross-site request forgery in n/a (medium 6.5)
- [CVE-2021-39393](https://insights.sbomify.com/CVE-2021-39393/): Cross-site scripting in n/a (medium 6.1)
- [CVE-2020-19277](https://insights.sbomify.com/CVE-2020-19277/): Phachon mm-wiki vulnerable to stored cross-site scripting (XSS) (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-19278 and fix it if it is affected.

What it is: CVE-2020-19278 is a high-severity vulnerability in n/a, published on 4 Apr 2023. An attacker can exploit it over the internet without logging in, 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-2020-19278 exists.

Affected packages and fixed versions:
- github.com/phachon/mm-wiki (Go): affected all versions up to 0.1.2; no fix listed
- github.com/phachon/mm-wiki (Go): affected all versions up to 0.1.2; 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-2020-19278/ (Markdown: https://insights.sbomify.com/CVE-2020-19278/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-19278
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-19278
- OSV: https://osv.dev/vulnerability/CVE-2020-19278

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-19278/
Summaries are generated and may contain mistakes; the official description above is the record.