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CVE-2026-78834

Quick assessment

Affected
n/a n/a
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.

CMSimple 5.22 版本中的 CoAuthors 插件存在一个代码执行漏洞。一个拥有低权限但经过身份验证的用户，若能够修改页面内容并提供受控的导入内容，则可以通过受影响的“内容导入”功能，通过引用精心构造的外部内容或已上传的文本内容，从而触发服务端代码执行。

AI Predicted 8.2 Difficulty: Easy

Possible ATT&CK Techniques 1 AI

T1204 · User Execution
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I. Basic Information for CVE-2026-78834

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A code execution vulnerability exists in CMSimple 5.22 in the CoAuthors plugin. An authenticated low-privileged user who can modify page content and provide controlled imported content can trigger server-side execution by referencing crafted external or uploaded text content through the affected content import feature.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2026-78834

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III. Intelligence Information for CVE-2026-78834

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Exploits & Public PoCs for CVE-2026-78834 (1)

Proof of Concept for CVE-2026-78834 (1)

Same Patch Batch · n/a · 2026-09-08 · 28 CVEs total

CVE-2026-86810 7.3 HIGH Open-Web-Analytics Controller Controller.php checkCapabilityAndAuthenticateUser improper a
CVE-2026-86514 6.3 MEDIUM vgmstream txth-txtp txth.c sscanf stack-based overflow
CVE-2026-86515 4.3 MEDIUM vgmstream txtp txtp_parser.c add_entry resource consumption
CVE-2026-78971 Halo 2.25.4 插件管理任意命令执行漏洞
CVE-2026-78738 Silverpeas Core 6.4.6 文件上传功能跨站脚本漏洞
CVE-2026-78741 Silverpeas Core <=6.4.6 富文本图片上传跨站脚本漏洞
CVE-2026-78742 Silverpeas Core 6.4.6 跨站脚本漏洞
CVE-2026-79588 U-speed T1 Pro v1.0.0 管理凭据明文传输漏洞
CVE-2026-30754 FFmpeg 8.1前H.264 RTP编码RTP内存损坏漏洞
CVE-2026-52486 OpenDDS 3.33.x SignedDocument本地拒绝服务漏洞
CVE-2026-52307 1CMS v5.6列管理认证型存储XSS漏洞
CVE-2026-78997 UC浏览器13.7.8.1314 通用跨站脚本漏洞
CVE-2026-79569 Movie_Recommend v1.0.0 SQL注入漏洞
CVE-2026-79570 mfish-nocode-pro v1.0.0 SQL注入漏洞
CVE-2026-79573 L-ONE v1.0.0 SQL注入漏洞
CVE-2026-79572 Distribution Management v1.0.0 XXE漏洞
CVE-2026-79574 mpush v0.8.1网关服务器任意代码执行
CVE-2026-79575 yfexam-exam v2.0 JWT密钥可预测漏洞
CVE-2026-79576 Digital-Infrastructure v9.6.7 SSO 认证绕过漏洞
CVE-2026-79571 springboot-project v1.0.0 访问控制漏洞

Showing top 20 of 28 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

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