CVE-2026-104471— YesWiki before 4.6.7 Unrestricted File Upload via Bazar CSV Import
Quick assessment
Affected
YesWiki yeswiki
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
YesWiki 4.6.7 之前的版本存在一个不受限制的文件上传漏洞，允许经过身份验证的管理员通过 Bazar 的 CSV 导入预览功能，将远程文件写入 Web 可访问的 files/ 目录中。攻击者可以导入一个 CSV 文件，其中文件或图像字段引用一个远程的 .php URL，该 URL 在保存时不会进行扩展名检查，最终会被作为服务器端代码执行。
Possible ATT&CK Techniques 1 AI
T1505.003 · Web Shell
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I. Basic Information for CVE-2026-104471
Vulnerability Information
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Vulnerability Title
YesWiki before 4.6.7 Unrestricted File Upload via Bazar CSV Import
Source: CVE Program / CVE List V5
Vulnerability Description
YesWiki before 4.6.7 contains an unrestricted file upload vulnerability that allows authenticated admins to write remote files into the web-accessible files/ directory via Bazar CSV import preview. Attackers can import a CSV whose file or image field references a remote .php URL, which is saved without extension checks and executed as server-side code.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-104471
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Vendor Advisories for CVE-2026-104471 (2)
Same Patch Batch · YesWiki · 2026-10-02 · 36 CVEs total
| CVE-2026-104457 | 8.6 HIGH | YesWiki before 4.6.7 SQL Injection via filtertags filterN parameter |
| CVE-2026-104464 | 8.6 HIGH | YesWiki before 4.6.7 SSRF via Bazar abonnements sync actor parameter |
| CVE-2026-104445 | 8.2 HIGH | YesWiki before 4.6.7 Authentication Bypass via ActivityPub Inbox Actor Spoofing |
| CVE-2026-104448 | 8.1 HIGH | YesWiki before 4.6.7 CSRF Page Deletion via ajaxdeletepage Handler |
| CVE-2026-104467 | 8.1 HIGH | YesWiki before 4.6.7 Authorization Bypass via Public API Mode |
| CVE-2026-104443 | 8.1 HIGH | YesWiki before 4.6.7 Scope Bypass via Triples Delete API |
| CVE-2026-104456 | 7.6 HIGH | YesWiki before 4.6.7 Second-Order SQL Injection via ACL Username |
| CVE-2026-104462 | 7.5 HIGH | YesWiki before 4.6.7 SQL Injection via nuagetag tags parameter |
| CVE-2026-104472 | 7.5 HIGH | YesWiki before 4.6.7 Missing Authorization via Attachment Download Handler |
| CVE-2026-104460 | 7.5 HIGH | YesWiki before 4.6.7 Unauthenticated Blind SQL Injection via newtextsearch |
| CVE-2026-104470 | 7.4 HIGH | YesWiki before 4.6.7 SSRF and XSS via Bazar valeur Action |
| CVE-2026-104444 | 7.1 HIGH | YesWiki before 4.6.7 Authorization Bypass via Comments API editComment |
| CVE-2026-104447 | 7.1 HIGH | YesWiki before 4.6.7 CSRF Package Deletion via autoupdate UpdateAction |
| CVE-2026-104463 | 7.0 HIGH | YesWiki before 4.6.7 Unauthenticated SSRF via ActivityPub Inbox |
| CVE-2026-104469 | 6.8 MEDIUM | YesWiki before 4.6.7 Session Fixation via Login in AuthController.php |
| CVE-2026-104450 | 6.5 MEDIUM | YesWiki before 4.6.7 ACL Bypass and Stored XSS via pointimage Action |
| CVE-2026-104458 | 6.5 MEDIUM | YesWiki before 4.6.7 SSRF Guard Bypass via IPv6 Transition Addresses |
| CVE-2026-104459 | 6.5 MEDIUM | YesWiki before 4.6.7 SSRF via ActivityPub WebFinger actor_handle |
| CVE-2026-104449 | 6.5 MEDIUM | YesWiki before 4.6.7 Unauthenticated Page Overwrite via Bazar id_fiche |
| CVE-2026-104446 | 6.5 MEDIUM | YesWiki before 4.6.7 Unauthenticated Open Mail Relay via Contact Mail Handler |
Showing top 20 of 36 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: yeswiki
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CVE-2026-104473
YesWiki before 4.5.3 Multiple Reflected XSS via BazaR and li -
CVE-2026-104472
YesWiki before 4.6.7 Missing Authorization via Attachment Do -
CVE-2026-104470
YesWiki before 4.6.7 SSRF and XSS via Bazar valeur Action -
CVE-2026-104469
YesWiki before 4.6.7 Session Fixation via Login in AuthContr -
CVE-2026-104468
YesWiki before 4.6.7 Non-Expiring Password Reset Tokens via
Same vendor: YesWiki
-
CVE-2026-104473
YesWiki before 4.5.3 Multiple Reflected XSS via BazaR and li -
CVE-2026-104472
YesWiki before 4.6.7 Missing Authorization via Attachment Do -
CVE-2026-104470
YesWiki before 4.6.7 SSRF and XSS via Bazar valeur Action -
CVE-2026-104469
YesWiki before 4.6.7 Session Fixation via Login in AuthContr -
CVE-2026-104468
YesWiki before 4.6.7 Non-Expiring Password Reset Tokens via
Same weakness: CWE-434
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H3C CVM Unauthenticated File Upload via fileUpload/upload To -
CVE-2026-104637
onetwothreeneth HospitalManagementSystem controller.php edit -
CVE-2026-92820
Ninja Forms - File Uploads <= 3.3.34 - Unauthenticated Arbit -
CVE-2026-64949
Unrestricted File Upload Leading to Remote Code Execution in -
CVE-2026-64947
CSRF Bypass Leading to Remote Code Execution via Unrestricte
V. Comments for CVE-2026-104471
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