How severe is CVE-2023-0233?

CVE-2023-0233 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-2023-0233 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0233?

CVE-2023-0233 affects Activecampaign. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0233?

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

When was CVE-2023-0233 published?

CVE-2023-0233 was published on 2023-05-15 and last updated on 2026-06-17.

CVE-2023-0233

CVE-2023-0233 is a medium-severity vulnerability in Activecampaign 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: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Activecampaign
Published: 2023-05-15
Last modified: 2026-06-17

Description

The ActiveCampaign WordPress plugin before 8.1.12 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

Frequently asked questions

What is CVE-2023-0233?: The ActiveCampaign WordPress plugin before 8.1.12 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks
How severe is CVE-2023-0233?: CVE-2023-0233 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-2023-0233 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0233?: CVE-2023-0233 affects Activecampaign. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0233?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-0233 published?: CVE-2023-0233 was published on 2023-05-15 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/e95c85fd-fa47-45bd-b8e0-a7f33edd7130

Affected products (1)

cpe:2.3:a:activecampaign:activecampaign:*:*:*:*:*:wordpress:*:*

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