Privilege escalation by backend users assigned to the default "Publisher" system role

中 4.2CVE-2020-15248 · GHSA-rfjc-xrmf-5vvw · 23/11/2020 公開 · 17/06/2026 更新

要点

CVE-2020-15248 は october/backend, october (octobercms) に影響する深刻度「中」 (CVSS 4.2) の脆弱性です。
今後30日間に悪用される確率（EPSS）：0.31%（全脆弱性の 24.2% より高い）。
対処：1.0.470, 1.0.469 以降に更新してください。

パッケージ	影響を受けるバージョン	修正済みバージョン
october/backend Packagist	`≥ 1.0.319, < 1.0.470`	`1.0.470`
october octobercms	`≥ 1.0.319, < 1.0.469`	`1.0.469`

概要

Impact

Backend users with the default "Publisher" system role have access to create & manage users where they can choose which role the new user has. This means that a user with "Publisher" access has the ability to escalate their access to "Developer" access.

Patches

Issue has been patched in Build 470 (v1.0.470) & v1.1.1.

Workarounds

Apply https://github.com/octobercms/october/commit/78a37298a4ed4602b383522344a31e311402d829 to your installation manually if unable to upgrade to Build 470 or v1.1.1.

References

Reported by Hoan Hoang

For more information

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Threat assessment:

NVD の説明

October is a free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. In October CMS from version 1.0.319 and before version 1.0.470, backend users with the default "Publisher" system role have access to create & manage users where they can choose which role the new user has. This means that a user with "Publisher" access has the ability to escalate their access to "Developer" access. Issue has been patched in Build 470 (v1.0.470) & v1.1.1.