How severe is CVE-2019-15863?

CVE-2019-15863 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2019-15863 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15863?

CVE-2019-15863 affects Convertplug Convertplus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-15863?

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

When was CVE-2019-15863 published?

CVE-2019-15863 was published on 2019-09-03 and last updated on 2026-06-17.

CVE-2019-15863

CVE-2019-15863 is a high-severity vulnerability in Convertplug Convertplus with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Convertplug Convertplus
Published: 2019-09-03
Last modified: 2026-06-17

Description

The ConvertPlus plugin before 3.4.5 for WordPress has an unintended account creation (with the none role) via a request for variants.

Frequently asked questions

What is CVE-2019-15863?: The ConvertPlus plugin before 3.4.5 for WordPress has an unintended account creation (with the none role) via a request for variants.
How severe is CVE-2019-15863?: CVE-2019-15863 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-15863 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15863?: CVE-2019-15863 affects Convertplug Convertplus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-15863?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-15863 published?: CVE-2019-15863 was published on 2019-09-03 and last updated on 2026-06-17.

References

https://www.convertplug.com/plus/changelog/

Affected products (1)

cpe:2.3:a:convertplug:convertplus:*:*:*:*:*:wordpress:*:*

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