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CVE-2026-57958— Mixpost 2.6.0 - Reflected XSS via OAuth Callback Error Parameter

CVSS 6.1 · Medium EPSS 0.17% · P6

Affected Version Matrix 1

VendorProductVersion RangeStatus
inovectormixpost≤ 2.6.0affected
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I. Basic Information for CVE-2026-57958

Vulnerability Information
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Vulnerability Title
Mixpost 2.6.0 - Reflected XSS via OAuth Callback Error Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
Mixpost through 2.6.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to execute arbitrary JavaScript in authenticated users' browsers by crafting malicious OAuth callback URLs with unsanitized error query parameters. Attackers can exploit the OAuth callback controller's failure to sanitize error parameters before rendering them through Laravel flash messages via the Vue v-html directive to hijack authenticated user sessions or perform unauthorized actions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Inovector Mixpost 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Inovector Mixpost是Inovector公司的一款社交媒体管理工具。 Inovector Mixpost 2.6.0及之前版本存在跨站脚本漏洞，该漏洞源于OAuth回调控制器未能清理error参数，导致反射型跨站脚本，允许未经身份验证的攻击者在经过身份验证的用户浏览器中执行任意JavaScript，劫持用户会话或执行未授权操作。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
inovectormixpost 0 ~ 2.6.0 -

II. Public POCs for CVE-2026-57958

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III. Intelligence Information for CVE-2026-57958

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Vendor Advisories for CVE-2026-57958 (1)

Proof of Concept for CVE-2026-57958 (1)

IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2026-57958

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