CVE-2026-104456— YesWiki before 4.6.7 Second-Order SQL Injection via ACL Username
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 之前的版本中存在一个二阶 SQL 注入漏洞，位于 AclService::updateRequestWithACL 方法中。攻击者可以注册一个包含双引号载荷的用户名，该用户名会被未转义地拼接到一个用于读取访问控制列表（ACL）的 LIKE 子句中。随后，攻击者通过加载经过非管理员 ACL 过滤的列表，即可读取数据库内容并绕过读取权限控制。
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I. Basic Information for CVE-2026-104456
Vulnerability Information
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Vulnerability Title
YesWiki before 4.6.7 Second-Order SQL Injection via ACL Username
Source: CVE Program / CVE List V5
Vulnerability Description
YesWiki before 4.6.7 contains a second-order SQL injection vulnerability in AclService::updateRequestWithACL, where a stored username is concatenated unescaped into a read-ACL LIKE clause. Attackers can self-register an account name containing a double-quote payload, then load non-admin ACL-filtered listings to read database contents and bypass read ACLs.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-104456
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-104456 (2)
Same Patch Batch · YesWiki · 2026-10-02 · 36 CVEs total
| CVE-2026-104464 | 8.6 HIGH | YesWiki before 4.6.7 SSRF via Bazar abonnements sync actor parameter |
| CVE-2026-104457 | 8.6 HIGH | YesWiki before 4.6.7 SQL Injection via filtertags filterN parameter |
| CVE-2026-104445 | 8.2 HIGH | YesWiki before 4.6.7 Authentication Bypass via ActivityPub Inbox Actor Spoofing |
| CVE-2026-104443 | 8.1 HIGH | YesWiki before 4.6.7 Scope Bypass via Triples Delete API |
| 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-2026-104460 | 7.5 HIGH | YesWiki before 4.6.7 Unauthenticated Blind SQL Injection via newtextsearch |
| 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-2026-104470 | 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-2026-104447 | 7.1 HIGH | YesWiki before 4.6.7 CSRF Package Deletion via autoupdate UpdateAction |
| CVE-2026-104444 | 7.1 HIGH | YesWiki before 4.6.7 Authorization Bypass via Comments API editComment |
| 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-2026-104458 | 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-2026-104450 | 6.5 MEDIUM | YesWiki before 4.6.7 ACL Bypass and Stored XSS via pointimage Action |
| 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-2026-104471
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CVE-2026-104469
YesWiki before 4.6.7 Session Fixation via Login in AuthContr -
CVE-2026-104470
YesWiki before 4.6.7 SSRF and XSS via Bazar valeur Action
Same vendor: YesWiki
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CVE-2026-104473
YesWiki before 4.5.3 Multiple Reflected XSS via BazaR and li -
CVE-2026-104472
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CVE-2026-104469
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CVE-2026-104470
YesWiki before 4.6.7 SSRF and XSS via Bazar valeur Action
Same weakness: CWE-89
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V. Comments for CVE-2026-104456
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