What’s Vulnerable › Vulnerabilities

CVE-2020-22842

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-09-30 · updated 2026-06-17
• Weakness: CWE-79

Description

CMS Made Simple before 2.2.15 allows XSS via the m1_mod parameter in a ModuleManager local_uninstall action to admin/moduleinterface.php.

Affected products

• CMS Made Simple: before 2.2.15 — fixed in 2.2.15

How to fix

Upgrade to a fixed version: CMS Made Simple 2.2.15. Check the vendor advisory for mitigations.

References

• http://dev.cmsmadesimple.org/bug/view/12291
• http://dev.cmsmadesimple.org/bug/view/12291

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