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% (82nd 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% (82nd 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% (82nd 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:*:*:*:*:*:*:*

More vulnerabilities in Cmsmadesimple Cms Made Simple

CVE-2010-4663 — Critical (CVSS 10.0): Unspecified vulnerability in the News module in CMS Made Simple (CMSMS) before 1.9.1 has unknown impact and attack…
CVE-2024-1527 — Critical (CVSS 9.8): Unrestricted file upload vulnerability in CMS Made Simple, affecting version 2.2.14. This vulnerability allows an…
CVE-2018-10085 — Critical (CVSS 9.8): CMS Made Simple (CMSMS) through 2.2.6 allows PHP object injection because of an unserialize call in the _get_data…
CVE-2018-10081 — Critical (CVSS 9.8): CMS Made Simple (CMSMS) through 2.2.6 contains an admin password reset vulnerability because data values are improperly…
CVE-2017-1000453 — Critical (CVSS 9.8): CMS Made Simple version 2.1.6 and 2.2 are vulnerable to Smarty templating injection in some core modules, resulting in…
CVE-2017-17735 — Critical (CVSS 9.8): CMS Made Simple (CMSMS) before 2.2.5 does not properly cache login information in cookies.

All CVEs affecting Cmsmadesimple Cms Made Simple →

Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

CVE-2026-39770 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in Doctreat <= 1.7.0 versions.
CVE-2026-32579 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in Kognetiks Chatbot for WordPress <= 2.4.9 versions.
CVE-2026-102427 — Critical (CVSS 10.0): Joomla Extension - ordasoft.com - Unauthenticated Remote Code Execution in OrdaSoft Joomla CCK < 8.3.16 -…
CVE-2026-4357 — Critical (CVSS 10.0): The Embed HTML5 Game WordPress plugin through 1.3 does not properly restrict who can upload files via the plugin, as…
CVE-2026-84147 — Critical (CVSS 10.0): This vulnerability exists in the ERP system due to improper authentication controls and inadequate file type validation…
CVE-2026-81780 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in Hash Form <= 1.4.2 versions.

Browse all CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities →