Composer october/backend has 7 known advisories in the phpwarden feed. Feed 2026.10.28.3, updated 2026-10-28.
| CVE | Title | Severity | CVSS | Affected | Fixed in |
|---|---|---|---|---|---|
| CVE-2021-21265 | October CMS vulnerable to Potential Host Header Poisoning on misconfigured servers | low | 0.0 | <1.1.2 | 1.1.2 |
| CVE-2020-11083 | Stored XSS in October | low | 3.5 | >=1.0.319 and <1.0.466 | 1.0.466 |
| CVE-2020-5299 | Potential CSV Injection vector in OctoberCMS | medium | 4.0 | >=1.0.319 and <1.0.466 | 1.0.466 |
| CVE-2020-5298 | Reflected XSS when importing CSV in OctoberCMS | medium | 4.0 | >=1.0.319 and <1.0.466 | 1.0.466 |
| CVE-2020-4061 | Cross-site Scripting in October | low | 3.7 | >=1.0.319 and <1.0.467 | 1.0.467 |
| CVE-2020-15249 | Stored XSS by authenticated backend user with access to upload files | low | 2.8 | >=1.0.319 and <1.0.469 | 1.0.469 |
| CVE-2020-15248 | Privilege escalation by backend users assigned to the default "Publisher" system role | medium | 4.0 | >=1.0.319 and <1.0.470 | 1.0.470 |
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