How severe is CVE-2019-9880?

CVE-2019-9880 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2019-9880 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 35% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-9880?

CVE-2019-9880 affects Wpengine Wpgraphql. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-9880?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-9880 published?

CVE-2019-9880 was published on 2019-06-10 and last updated on 2026-06-17.

CVE-2019-9880

CVE-2019-9880 is a critical-severity vulnerability in Wpengine Wpgraphql with a CVSS 3.x base score of 9.1. Its EPSS exploit-prediction score of 35% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 35% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Wpengine Wpgraphql
Published: 2019-06-10
Last modified: 2026-06-17

Description

An issue was discovered in the WPGraphQL 0.2.3 plugin for WordPress. By querying the 'users' RootQuery, it is possible, for an unauthenticated attacker, to retrieve all WordPress users details such as email address, role, and username.

Frequently asked questions

What is CVE-2019-9880?: An issue was discovered in the WPGraphQL 0.2.3 plugin for WordPress. By querying the 'users' RootQuery, it is possible, for an unauthenticated attacker, to retrieve all WordPress users details such as email address, role, and username.
How severe is CVE-2019-9880?: CVE-2019-9880 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2019-9880 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 35% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-9880?: CVE-2019-9880 affects Wpengine Wpgraphql. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-9880?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-9880 published?: CVE-2019-9880 was published on 2019-06-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wpengine:wpgraphql:0.2.3:*:*:*:*:wordpress:*:*

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