How severe is CVE-2019-11223?

CVE-2019-11223 has a CVSS 3.x base score of 9.8, 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 high.

Is CVE-2019-11223 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-11223?

CVE-2019-11223 affects Supportcandy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-11223?

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-2019-11223 published?

CVE-2019-11223 was published on 2019-04-18 and last updated on 2026-06-17.

CVE-2019-11223

CVE-2019-11223 is a critical-severity vulnerability in Supportcandy with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Supportcandy
Published: 2019-04-18
Last modified: 2026-06-17

Description

An Unrestricted File Upload Vulnerability in the SupportCandy plugin through 2.0.0 for WordPress allows remote attackers to execute arbitrary code by uploading a file with an executable extension.

Frequently asked questions

What is CVE-2019-11223?: An Unrestricted File Upload Vulnerability in the SupportCandy plugin through 2.0.0 for WordPress allows remote attackers to execute arbitrary code by uploading a file with an executable extension.
How severe is CVE-2019-11223?: CVE-2019-11223 has a CVSS 3.x base score of 9.8, 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 high.
Is CVE-2019-11223 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-11223?: CVE-2019-11223 affects Supportcandy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-11223?: 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-2019-11223 published?: CVE-2019-11223 was published on 2019-04-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:supportcandy:supportcandy:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Supportcandy

CVE-2023-1730 — Critical (CVSS 9.8): The SupportCandy WordPress plugin before 3.1.5 does not validate and escape user input before using it in an SQL…
CVE-2023-2719 — High (CVSS 8.8): The SupportCandy WordPress plugin before 3.1.7 does not properly sanitise and escape the `id` parameter for an Agent in…
CVE-2021-24879 — High (CVSS 8.8): The SupportCandy WordPress plugin before 2.2.7 does not have CSRF check in the wpsc_tickets AJAX action, nor has any…
CVE-2021-24839 — High (CVSS 7.5): The SupportCandy WordPress plugin before 2.2.5 does not have authorisation and CSRF checks in its wpsc_tickets AJAX…
CVE-2023-2805 — High (CVSS 7.2): The SupportCandy WordPress plugin before 3.1.7 does not properly sanitise and escape the agents[] parameter in the…
CVE-2021-24843 — Medium (CVSS 6.5): The SupportCandy WordPress plugin before 2.2.7 does not have CRSF check in its wpsc_tickets AJAX action, which could…

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