How severe is CVE-2019-15318?

CVE-2019-15318 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-2019-15318 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15318?

CVE-2019-15318 affects Yikesinc Easy Forms For Mailchimp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-15318?

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-2019-15318 published?

CVE-2019-15318 was published on 2019-08-22 and last updated on 2026-06-17.

CVE-2019-15318

CVE-2019-15318 is a critical-severity vulnerability in Yikesinc Easy Forms For Mailchimp 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-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Yikesinc Easy Forms For Mailchimp
Published: 2019-08-22
Last modified: 2026-06-17

Description

The yikes-inc-easy-mailchimp-extender plugin before 6.5.3 for WordPress has code injection via the admin input field.

Frequently asked questions

What is CVE-2019-15318?: The yikes-inc-easy-mailchimp-extender plugin before 6.5.3 for WordPress has code injection via the admin input field.
How severe is CVE-2019-15318?: CVE-2019-15318 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-2019-15318 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15318?: CVE-2019-15318 affects Yikesinc Easy Forms For Mailchimp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-15318?: 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-2019-15318 published?: CVE-2019-15318 was published on 2019-08-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:yikesinc:easy_forms_for_mailchimp:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Yikesinc Easy Forms For Mailchimp

CVE-2023-2518 — Medium (CVSS 6.1): The Easy Forms for Mailchimp WordPress plugin before 6.8.9 does not sanitise and escape a parameter before outputting…
CVE-2023-1324 — Medium (CVSS 6.1): The Easy Forms for Mailchimp WordPress plugin before 6.8.8 does not sanitise and escape some parameters before…
CVE-2021-24985 — Medium (CVSS 6.1): The Easy Forms for Mailchimp WordPress plugin before 6.8.6 does not sanitise and escape the field_name and field_type…
CVE-2023-23900 — Medium (CVSS 5.8): Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in YIKES, Inc. Easy Forms for Mailchimp plugin <= 6.8.8…
CVE-2023-1325 — Medium (CVSS 5.4): The Easy Forms for Mailchimp WordPress plugin before 6.8.7 does not validate and escape some of its shortcode…
CVE-2023-4925 — Medium (CVSS 4.8): The Easy Forms for Mailchimp WordPress plugin through 6.8.10 does not sanitise and escape some of its settings, which…

All CVEs affecting Yikesinc Easy Forms For Mailchimp →

Other CWE-94 (Code Injection) vulnerabilities

CVE-2026-57624 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.46 versions.
CVE-2026-10134 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 allows an attacker to read every secret available to the Langflow process, read…
CVE-2026-53576 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, the authentication filter…
CVE-2026-10561 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined…
CVE-2026-25470 — Critical (CVSS 10.0): Improper Control of Generation of Code ('Code Injection') vulnerability in ACPT ACPT (Pro) - Custom Post Types Plugin…
CVE-2026-48836 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Easy Invoice <= 2.1.19 versions.

Browse all CWE-94 (Code Injection) vulnerabilities →