CVE-2026-52307CWE-79cross-site-scripting

CVE-2026-52307

Medium · published September 8, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
20.3
In the wild
Unconfirmed
What it is

An authenticated stored cross-site scripting (XSS) vulnerability in the Column Management component of ClassCMS 1CMS v5.6 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the title field.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00289 · 20.3th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-08T21:18Z
References (3)
http://classcms.com · [email protected]https://github.com/linan-OO/CVE-2026-52307 · [email protected]http://seclists.org/fulldisclosure/2026/Sep/31 · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 10 SEP 03:17Z
    EPSS moved — → 0%
    epss
  • 08 SEP 00:00Z
    An authenticated stored cross-site scripting (XSS) vulnerability in the Column Management component of ClassCMS 1CMS v5.6 allows attackers to execute arbitrary…
    cvelistv5