FluentCMS 1.2.3 is vulnerable to Cross Site Scripting (XSS) in TextHTML plugin
Published May 5, 2026
6.1
MEDIUMCVSS 3.1
EPSS 0.25%
Description
FluentCMS 1.2.3 is vulnerable to Cross Site Scripting (XSS) in TextHTML plugin.
Affected products
No data.
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed May 6, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
May–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.25% (0.00253) | 15.19th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.19% (0.00194) | 9.17th | v5 (v2026.06.15) |
| May 6, 2026 | 0.01% (0.00006) | 0.35th | v4 (v2025.03.14) |
References (1)
| Link | Providers | Tags |
|---|---|---|
| https://github.com/fluentcms/FluentCMS/issues/2405 | exploit |
Change history (0)
No recorded changes yet.