CVE-2026-52307
An authenticated stored cross-site scripting (XSS) vulnerability in the Column Management component of ClassCMS 1CMS v5.6 allows attackers to execute...
- Published
- Sep 8, 2026
- Updated
- Sep 14, 2026
- Assigning CNA
- mitre
- Evidence observed
- Sep 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NLow · next 30 days
- Percentile
- 18.8%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
1Proof-of-concept for CVE-2026-52307, an authenticated stored XSS in 1CMS v5.6 Column Management, with reproduction steps and impact analysis.
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