CVE-2026-88415CWE-79cross-site-scripting

CVE-2026-88415

High · published September 22, 2026

CVSS v3.1
8.7
EPSS
0%
Percentile
22.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.7 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00306 · 22.1th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-22T23:16Z
References (2)
https://github.com/15536818056/CVE/issues/2 · [email protected]https://github.com/15536818056/CVE/issues/2 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 24 SEP 03:25Z
    EPSS moved — → 0%
    epss
  • 22 SEP 00:00Z
    MCMS 6.1.1 through 6.2.1 is vulnerable to stored Cross-Site Scripting (XSS)
    cvelistv5