CVE-2019-9879

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-24. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 47%CVSS: 9.8Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

The WPGraphQL 0.2.3 plugin for WordPress allows remote attackers to register a new user with admin privileges, whenever new user registrations are allowed. This is related to the registerUser mutation.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
67(Track*)
EG Risk 67/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation47% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
47%
EPSS %ILE
99%
KEV
Not listed

Published

June 10, 2019

Last Modified

November 21, 2024

Advisory Details (4)

Auto-updated Sep 13, 2026
Patch available. Sources: github_release.
generic

Pwning WordPress GraphQL | Pen Test Partners

https://www.pentestpartners.com/security-blog/pwning-wordpress-graphql/
github_release Patch Available

v0.3.0

Patch available: wp-graphql/wp-graphql v0.3.0 (pre-release)

https://github.com/wp-graphql/wp-graphql/releases/tag/v0.3.0
generic

snippets/wp-graphql0.2.3_exploit.py at master · pentestpartners/snippets · GitHub

https://github.com/pentestpartners/snippets/blob/master/wp-graphql0.2.3_exploit.py
generic

Locked Out | Packet Storm

http://packetstormsecurity.com/files/153025/WordPress-WPGraphQL-0.2.3-Authentication-Bypass-Information-Disclosure.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 22× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 123 total refreshes for this CVE.

  1. 2026-09-19 15:37 UTCEPSS rescore
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  65. 2026-06-13 22:58 UTCEPSS rescore
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Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-46886
    First seen May 21, 2019

    WordPress Plugin WPGraphQL 0.2.3 - Multiple Vulnerabilities

    Open source ↗
  • Nucleihttp/cves/2019/CVE-2019-9879.yaml
    First seen Jan 1, 2019

    WPGraphQL 0.2.3 - User Creation

    Open source ↗

Frequently asked(5)

What is CVE-2019-9879?
CVE-2019-9879 is a critical vulnerability published on June 10, 2019. The WPGraphQL 0.2.3 plugin for WordPress allows remote attackers to register a new user with admin privileges, whenever new user registrations are allowed. This is related to the registerUser mutation.
When was CVE-2019-9879 disclosed?
CVE-2019-9879 was first published in the National Vulnerability Database on June 10, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2019-9879 actively exploited?
CVE-2019-9879 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 47% probability of exploitation in the next 30 days, which ranks it in the top 1.2% of all scored CVEs.
What is the CVSS score of CVE-2019-9879?
CVE-2019-9879 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2019-9879?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-9879, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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