CMS Made Simple (CMSMS) 2.2.15 allows authenticated XSS via the /admin/addbookmark.php script through the Site Admin > My Preferences > Title field.
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This medium-severity CVE scores 5.4 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 54% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
CMS Made Simple (CMSMS) 2.2.15 allows authenticated XSS via the /admin/addbookmark.php script through the Site Admin > My Preferences > Title field.
March 30, 2021
November 21, 2024
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
CMS Made Simple 2.2.15 - 'title' Cross-Site Scripting (XSS)
Open source ↗See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-28935
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