How severe is CVE-2022-4508?

CVE-2022-4508 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-4508 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-4508?

CVE-2022-4508 affects Convertkit Convertkit - Email Marketing, Email Newsletter And Landing Pages. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-4508?

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

When was CVE-2022-4508 published?

CVE-2022-4508 was published on 2023-01-16 and last updated on 2026-06-17.

CVE-2022-4508

CVE-2022-4508 is a medium-severity vulnerability in Convertkit Convertkit - Email Marketing, Email Newsletter And Landing Pages with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Convertkit Convertkit - Email Marketing, Email Newsletter And Landing Pages
Published: 2023-01-16
Last modified: 2026-06-17

Description

The ConvertKit WordPress plugin before 2.0.5 does not validate and escapes some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as a contributor to perform Stored Cross-Site Scripting attacks, which could be used against high-privilege users such as admins.

Frequently asked questions

What is CVE-2022-4508?: The ConvertKit WordPress plugin before 2.0.5 does not validate and escapes some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as a contributor to perform Stored Cross-Site Scripting attacks, which could be used against high-privilege users such as admins.
How severe is CVE-2022-4508?: CVE-2022-4508 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-4508 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-4508?: CVE-2022-4508 affects Convertkit Convertkit - Email Marketing, Email Newsletter And Landing Pages. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-4508?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-4508 published?: CVE-2022-4508 was published on 2023-01-16 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/5101a979-7a53-40bf-8988-6347ef851eab

Affected products (1)

cpe:2.3:a:convertkit:convertkit_-_email_marketing\,_email_newsletter_and_landing_pages:*:*:*:*:*:wordpress:*:*

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