How severe is CVE-2021-24330?

CVE-2021-24330 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-24330 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24330?

CVE-2021-24330 affects Cartflows. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24330?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-24330 published?

CVE-2021-24330 was published on 2021-06-01 and last updated on 2026-06-17.

CVE-2021-24330

CVE-2021-24330 is a medium-severity vulnerability in Cartflows with a CVSS 3.x base score of 4.8. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cartflows
Published: 2021-06-01
Last modified: 2026-06-17

Description

The Funnel Builder by CartFlows – Create High Converting Sales Funnels For WordPress plugin before 1.6.13 did not sanitise its facebook_pixel_id and google_analytics_id settings, allowing high privilege users to set XSS payload in them, which will either be executed on pages generated by the plugin, or the whole website depending on the settings used.

Frequently asked questions

What is CVE-2021-24330?: The Funnel Builder by CartFlows – Create High Converting Sales Funnels For WordPress plugin before 1.6.13 did not sanitise its facebook_pixel_id and google_analytics_id settings, allowing high privilege users to set XSS payload in them, which will either be executed on pages generated by the plugin, or the whole website depending on the settings used.
How severe is CVE-2021-24330?: CVE-2021-24330 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-24330 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24330?: CVE-2021-24330 affects Cartflows. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24330?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24330 published?: CVE-2021-24330 was published on 2021-06-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cartflows:cartflows:*:*:*:*:*:wordpress:*:*

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