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CVE-2026-116205— YesWiki before 4.7.0 Unauthenticated SSRF via [[|URL]] Raw-Inclusion Syntax

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 4.7.0 版本之前的 YesWiki 存在一个无需认证的服务器端请求伪造（SSRF）漏洞。远程攻击者可以通过向页面渲染处理程序的内容参数中传入 维基语法，来请求任意 URL。利用该漏洞，攻击者可访问内部主机和端口，并读取其响应内容。

CVSS 5.3 · Medium
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I. Basic Information for CVE-2026-116205

Vulnerability Information
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Vulnerability Title
YesWiki before 4.7.0 Unauthenticated SSRF via [[|URL]] Raw-Inclusion Syntax
Source: CVE Program / CVE List V5
Vulnerability Description
YesWiki before 4.7.0 contains an unauthenticated server-side request forgery vulnerability that allows remote attackers to fetch arbitrary URLs by supplying [[|URL]] wiki syntax to the render handler. Attackers can pass the syntax in the content parameter of the page render handler to reach internal hosts and ports and read their responses.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
YesWiki yeswiki 0 ~ 4.7.0 -

II. Public POCs for CVE-2026-116205

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III. Intelligence Information for CVE-2026-116205

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Other References for CVE-2026-116205 (2)

Same Patch Batch · YesWiki · 2026-10-25 · 8 CVEs total

CVE-2026-116207 9.1 CRITICAL YesWiki 4.6.0 before 4.7.0 SQL Injection via Bazar Entries Search API
CVE-2026-116211 8.2 HIGH YesWiki 4.5.0 before 4.7.0 SQL Injection via date_maj_fiche in Bazar entry create
CVE-2026-116208 8.1 HIGH YesWiki 4.6.2 before 4.7.0 Missing Authorization in ActivityPub syncActorPosts
CVE-2026-116204 8.1 HIGH YesWiki before 4.7.0 CSRF via despam Admin Action
CVE-2026-116206 6.4 MEDIUM YesWiki 4.2.0 before 4.7.0 Stored XSS via Comment Raw-HTML Syntax
CVE-2026-116203 6.1 MEDIUM YesWiki before 4.7.0 Stored XSS via filtertags Action Parameters
CVE-2026-116202 5.4 MEDIUM YesWiki before 4.7.0 Stored XSS via ImageField SVG Upload

IV. Related Vulnerabilities

Same product: yeswiki
Same vendor: YesWiki
Same weakness: CWE-918