| タイトル | PublicCMS 5 Improper Access Controls |
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| 説明 | `TradePaymentController.cancel` accept a `paymentId` from the request and invoke service-layer state changes without verifying that the payment belongs to the authenticated user. Any logged-in user can cancel or initiate a refund for another user's payment if they know the `paymentId`. Poc：1. Use a test account Creating a payment, get `paymentId` ；2. Login as a low-privileged user ,extract `_csrf` token from cookie value: `PUBLICCMS_USER=<userId>_<csrfToken>`；3. The payment status changes (cancelled) even though the attacker does not own the payment.
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| ソース | ⚠️ https://github.com/sanluan/PublicCMS/issues/108 |
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| ユーザー | AliceS614 (UID 94277) |
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| 送信 | 2026年01月21日 13:55 (5 月 ago) |
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| モデレーション | 2026年02月05日 20:25 (15 days later) |
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| ステータス | 承諾済み |
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| VulDBエントリ | 344592 [Sanluan PublicCMS 迄 4.0.202506.d/5.202506.d/6.202506.d Trade Payment TradePaymentService.java paid paymentId 特権昇格] |
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| ポイント | 20 |
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