How severe is CVE-2023-22953?

CVE-2023-22953 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-22953 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-22953?

CVE-2023-22953 affects Expressionengine. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-22953?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-22953 published?

CVE-2023-22953 was published on 2023-02-09 and last updated on 2026-06-17.

CVE-2023-22953

CVE-2023-22953 is a high-severity vulnerability in Expressionengine with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Expressionengine
Published: 2023-02-09
Last modified: 2026-06-17

Description

In ExpressionEngine before 7.2.6, remote code execution can be achieved by an authenticated Control Panel user.

Frequently asked questions

What is CVE-2023-22953?: In ExpressionEngine before 7.2.6, remote code execution can be achieved by an authenticated Control Panel user.
How severe is CVE-2023-22953?: CVE-2023-22953 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-22953 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-22953?: CVE-2023-22953 affects Expressionengine. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-22953?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-22953 published?: CVE-2023-22953 was published on 2023-02-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:expressionengine:expressionengine:*:*:*:*:*:*:*:*

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