Vulnerability · Published Sep 22, 2026 · Assigned by mitre
CVE-2026-88415
High 8.7
In plain English
A high-severity cross-site scripting in the affected software. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities).
Severity (CVSS 3.1)8.7High
Exploit odds (30 days)0.4%top 70.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N