How severe is CVE-2023-2817?

CVE-2023-2817 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-2023-2817 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-2817?

CVE-2023-2817 affects Craftcms Craft Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-2817?

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

When was CVE-2023-2817 published?

CVE-2023-2817 was published on 2023-05-26 and last updated on 2026-06-17.

CVE-2023-2817

CVE-2023-2817 is a medium-severity vulnerability in Craftcms Craft Cms 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. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Craftcms Craft Cms
Published: 2023-05-26
Last modified: 2026-06-17

Description

A post-authentication stored cross-site scripting vulnerability exists in Craft CMS versions <= 4.4.11. HTML, including script tags can be injected into field names which, when the field is added to a category or section, will trigger when users visit the Categories or Entries pages respectively.

Frequently asked questions

What is CVE-2023-2817?: A post-authentication stored cross-site scripting vulnerability exists in Craft CMS versions <= 4.4.11. HTML, including script tags can be injected into field names which, when the field is added to a category or section, will trigger when users visit the Categories or Entries pages respectively.
How severe is CVE-2023-2817?: CVE-2023-2817 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-2023-2817 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-2817?: CVE-2023-2817 affects Craftcms Craft Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-2817?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-2817 published?: CVE-2023-2817 was published on 2023-05-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:*

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