How severe is CVE-2018-21007?

CVE-2018-21007 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-2018-21007 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-21007?

CVE-2018-21007 affects Wisetr User Email Verification For Woocommerce. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-21007?

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-2018-21007 published?

CVE-2018-21007 was published on 2019-08-29 and last updated on 2026-06-17.

CVE-2018-21007

CVE-2018-21007 is a critical-severity vulnerability in Wisetr User Email Verification For Woocommerce 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-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Wisetr User Email Verification For Woocommerce
Published: 2019-08-29
Last modified: 2026-06-17

Description

The woo-confirmation-email plugin before 3.2.0 for WordPress has no blocking of direct access to supportive xl folders inside uploads.

Frequently asked questions

What is CVE-2018-21007?: The woo-confirmation-email plugin before 3.2.0 for WordPress has no blocking of direct access to supportive xl folders inside uploads.
How severe is CVE-2018-21007?: CVE-2018-21007 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-2018-21007 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-21007?: CVE-2018-21007 affects Wisetr User Email Verification For Woocommerce. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-21007?: 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-2018-21007 published?: CVE-2018-21007 was published on 2019-08-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wisetr:user_email_verification_for_woocommerce:*:*:*:*:*:wordpress:*:*

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