CVE-2026-88415
High
Description
MCMS 6.1.1 through 6.2.1 is vulnerable to stored Cross-Site Scripting (XSS). The article content field `contentDetails` is excluded from the global XSS filter.
SeverityHigh
CVSS8.7
Exploit probability—
ProductMCMS
PublishedSep 22, 2026
First seenSep 22, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| MCMS | 6.1.1 ≤ v ≤ 6.2.1 | — |
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