What’s Vulnerable › Vulnerabilities

CVE-2021-28935

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-03-30 · updated 2026-06-17
• Weakness: CWE-79

Description

CMS Made Simple (CMSMS) 2.2.15 allows authenticated XSS via the /admin/addbookmark.php script through the Site Admin > My Preferences > Title field.

Affected products

• CMS Made Simple: 2.2.15

References

• http://dev.cmsmadesimple.org/bug/view/12432
• http://packetstormsecurity.com/files/162287/CMS-Made-Simple-2.2.15-Cross-Site-Scripting.html
• http://dev.cmsmadesimple.org/bug/view/12432
• http://packetstormsecurity.com/files/162287/CMS-Made-Simple-2.2.15-Cross-Site-Scripting.html

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