GHSA-6rc6-p838-686f · 嚴重度: high · 生態: composer — WWBN AVideo has a Path Traversal in Locale Save Endpoint Enables Arbitrary PHP File Write to Any Web-Accessible Directory (RCE)
WWBN AVideo is an open source video platform. In versions 29.0 and prior, the locale save endpoint (`locale/save.php`) constructs a file path by directly concatenating `$_POST['flag']` into the path at line 30 without any sanitization. The `$_POST['code']` parameter is then written verbatim to that path via `fwrite()` at line 40. An admin attacker (or any user who can CSRF an admin, since no CSRF token is checked and cookies use `SameSite=None`) can traverse out of the `locale/` directory and write arbitrary `.php` files to any writable location on the filesystem, achieving Remote Code Execution. Commit 57f89ffbc27d37c9d9dd727212334846e78ac21a fixes the issue.
結論預警: CVE-2026-40909 綜合評估為高可利用風險(66.4/100):CVSS 技術影響為高級,利用機率偏低(EPSS 0.66%) 核心證據: 已收錄 1 筆公開利用參考(Exploit-DB)。 強制指令: 存在公開利用—請盤點暴露面、落實緩解措施並優先修補。
風險隨態勢動態變化;本站持續評估並同步更新本頁展示內容。
| EDB-ID | 來源 | 類型 | 公開時間 | 連結 |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS 日更估計相對被利用可能性;百分位表示該 CVE 在已評分漏洞中的相對排名(越高表示相對更嚴重)。
| # | 日期 | 舊 EPSS 分數 | 新 EPSS 分數 | 變化(新 − 舊) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.26% | 0.66% | +0.40% |
| 2 | 2026-06-11 | 0.19% | 0.26% | +0.07% |
| 3 | 2026-06-02 | — | 0.19% | — |
完整 EPSS 歷史 (共 4 筆)
該 CVE 的 CVSS 指標。
| 底座分 | 版本 | 嚴重度 | 向量 | 可利用性 | 影響 | 分數來源 |
|---|---|---|---|---|---|---|
| 8.7 | 3.1 | HIGH |
|
2.3 | 5.8 | [email protected] |
| 6.5 | 3.1 | MEDIUM |
|
1.2 | 5.2 | [email protected] |
GHSA-6rc6-p838-686f · 嚴重度: high · 生態: composer — WWBN AVideo has a Path Traversal in Locale Save Endpoint Enables Arbitrary PHP File Write to Any Web-Accessible Directory (RCE)
| URL | 標籤 |
|---|---|
| https://github.com/WWBN/AVideo/commit/57f89ffbc27d37c9d9dd727212334846e78ac21a | Patch |
| https://github.com/WWBN/AVideo/security/advisories/GHSA-6rc6-p838-686f | Exploit Vendor Advisory |