How severe is CVE-2022-23906?

CVE-2022-23906 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-23906 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-23906?

CVE-2022-23906 affects Cmsmadesimple Cms Made Simple. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-23906?

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-2022-23906 published?

CVE-2022-23906 was published on 2022-02-28 and last updated on 2026-06-17.

CVE-2022-23906

CVE-2022-23906 is a high-severity vulnerability in Cmsmadesimple Cms Made Simple with a CVSS 3.x base score of 7.2. 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-434.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 6.5
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Cmsmadesimple Cms Made Simple
Published: 2022-02-28
Last modified: 2026-06-17

Description

CMS Made Simple v2.2.15 was discovered to contain a Remote Command Execution (RCE) vulnerability via the upload avatar function. This vulnerability is exploited via a crafted image file.

Frequently asked questions

What is CVE-2022-23906?: CMS Made Simple v2.2.15 was discovered to contain a Remote Command Execution (RCE) vulnerability via the upload avatar function. This vulnerability is exploited via a crafted image file.
How severe is CVE-2022-23906?: CVE-2022-23906 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-23906 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-23906?: CVE-2022-23906 affects Cmsmadesimple Cms Made Simple. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-23906?: 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-2022-23906 published?: CVE-2022-23906 was published on 2022-02-28 and last updated on 2026-06-17.

References

http://dev.cmsmadesimple.org/bug/view/12502

Affected products (1)

cpe:2.3:a:cmsmadesimple:cms_made_simple:2.2.15:*:*:*:*:*:*:*

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