CVE-2017-16799 — In CMS Made Simple 2

In CMS Made Simple 2.2.3.1, in modules/New/action.addcategory.php, stored XSS is possible via the m1_name parameter to admin/moduleinterface.php during addition of a category, a related issue to CVE-2010-3882.

01What is this vulnerability?

In CMS Made Simple 2.2.3.1, in modules/New/action.addcategory.php, stored XSS is possible via the m1_name parameter to admin/moduleinterface.php during addition of a category, a related issue to CVE-2010-3882.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2017-11-12T18:29:00.330
• Last modified: 2026-05-13T00:24:29.033

09References

• github.com — https://github.com/bsmali4/cve/blob/master/CMS%20Made%20Simple%20Stored%20XSS.md
• github.com — https://github.com/bsmali4/cve/blob/master/CMS%20Made%20Simple%20Stored%20XSS.md