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HIGH severity

CVE-2020-19278 — mm-wiki

HIGH

CVE-2020-19278 is a high-severity (CVSS 8.8) Cross-Site Request Forgery (CSRF) vulnerability in github.com/phachon/mm-wiki. 2 public exploit or proof-of-concept references are indexed, so weaponization risk is real. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Phachon mm-wiki Cross Site Request Forgery vulnerability

Also known asGHSA-f6xp-59jq-r35c
Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
2 known
Exploitation data as of Nov 10, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

Proof-of-concept exploit code exists

  • CISA’s SSVC triage found public proof-of-concept exploit code for this CVE, though no confirmed active exploitation.
  • A successful exploit gives an attacker total control of the affected component, not partial access.

Exploitation and automatability from CISA’s SSVC triage for CVE-2020-19278.

EPSS Exploitation Probability

via FIRST.org ↗
0.5%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs43th percentile — riskier than 43% of all scored CVEsHighest risk
0.00%0.52%1.03%1.55%1.0%0.5%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐹github.com/phachon/mm-wiki

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.

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.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
🐹Gogithub.com/phachon/mm-wikiall versionsNo fix

Affected Products

1 product · 1 configurations
Application
mm-wikimm-wiki_project
1 version
0.1.2
Exploits & PoCs
2

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Cross Site Request Forgery vulnerability found in Phachon mm-wiki v.0.1.…

github.comNVDApr 2023

Report on imgur.com

imgur.comNVDApr 2023

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/phachon/mm-wiki, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    The records we use list no patched version of github.com/phachon/mm-wiki for CVE-2020-19278. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

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.
O3 Security · Impact-Aware SCA

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CVE-2020-19278: mm-wiki RCE (High 8.8)