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CVE-2026-104449— YesWiki before 4.6.7 Unauthenticated Page Overwrite via Bazar id_fiche

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.

在 YesWiki 4.6.7 版本之前,存在一个访问控制漏洞,允许未认证的攻击者通过 Bazar 的条目创建流程,覆盖任何现有的 Wiki 页面,包括那些写访问控制列表(ACL)限制编辑权限的页面。攻击者可以提交一个精心构造的条目,其中包含一个与已有页面匹配的 id_fiche 参数(该参数由攻击者控制),从而覆盖该页面的内容,导致大规模的页面篡改和内容破坏。

CVSS 6.5 · Medium EPSS 0.28% · P18

Affected Version Matrix 2

VendorProduct Version RangeStatus
YesWiki yeswiki < 4.6.7 affected
4.6.7 unaffected
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I. Basic Information for CVE-2026-104449

Vulnerability Information

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Vulnerability Title
YesWiki before 4.6.7 Unauthenticated Page Overwrite via Bazar id_fiche
Source: CVE Program / CVE List V5
Vulnerability Description
YesWiki before 4.6.7 contains an access control vulnerability allowing unauthenticated attackers to overwrite any existing wiki page, including pages whose write ACL restricts editing, via the Bazar entry-creation flow. Attackers can submit a crafted entry with an attacker-controlled id_fiche matching an existing page, overwriting its body for mass defacement and content destruction.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
YesWiki yeswiki 0 ~ 4.6.7 -

II. Public POCs for CVE-2026-104449

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III. Intelligence Information for CVE-2026-104449

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Vendor Advisories for CVE-2026-104449 (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-2026-104471 7.2 HIGH YesWiki before 4.6.7 Unrestricted File Upload via Bazar CSV Import
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-2026-104446 6.5 MEDIUM YesWiki before 4.6.7 Unauthenticated Open Mail Relay via Contact Mail Handler
CVE-2026-104459 6.5 MEDIUM YesWiki before 4.6.7 SSRF via ActivityPub WebFinger actor_handle

Showing top 20 of 36 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

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