GHSA-fx2m-5m9v-jhgp · Severity: medium · Ecosystem: composer — XSS in baserCMS before 4.1.4
An issue was discovered in baserCMS before 4.1.4. In the Register New Category feature of the Upload menu, the category name can be used for XSS via the data[UploaderCategory][name] parameter to an admin/uploader/uploader_categories/edit URI.
Conclusion & alert: CVE-2018-18943 is rated Exploit Available (51.8/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.73%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.34% | 0.73% | +0.39% |
| 2 | 2025-04-02 | 0.37% | 0.34% | -0.03% |
| 3 | 2025-03-30 | — | 0.37% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.8 | 3.0 | MEDIUM |
|
1.7 | 2.7 | [email protected] |
| 3.5 | 2.0 | LOW |
|
6.8 | 2.9 | [email protected] |
GHSA-fx2m-5m9v-jhgp · Severity: medium · Ecosystem: composer — XSS in baserCMS before 4.1.4
| URL | Tags |
|---|---|
| http://sunu11.com/2018/10/31/baserCMS/ | Exploit Third Party Advisory |
| https://basercms.net/release/4_1_4 | Release Notes Vendor Advisory |