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CVE-2026-25616

Quick assessment

Affected
Blesta Blesta
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Blesta是Blesta公司的一个客户关系管理系统。 Blesta 5.13.3之前版本存在跨站脚本漏洞，该漏洞源于输入验证处理不当。

CVSS 4.7 · Medium EPSS 0.38% · P32

Public Exploits 1

Nuclei · 1 CVE-2026-25616.yaml [template]

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-25616

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Blesta 3.x through 5.x before 5.13.3 mishandles input validation, aka CORE-5665.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/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
Blesta 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Blesta是Blesta公司的一个客户关系管理系统。 Blesta 5.13.3之前版本存在跨站脚本漏洞，该漏洞源于输入验证处理不当。
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

Vendor Product Affected Versions CPE Subscribe
Blesta Blesta 3.0.0 ~ 5.13.3 -

II. Public POCs for CVE-2026-25616

# POC Description Source Link Shenlong Link
1 Blesta 3.x through 5.x before 5.13.3 contains an input validation vulnerability caused by mishandling input, letting attackers potentially exploit the system, exploit requires unspecified conditions. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-25616.yaml POC Details
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No public POC found.

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III. Intelligence Information for CVE-2026-25616

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Vendor Advisories for CVE-2026-25616 (1)

Same Patch Batch · Blesta · 2026-02-03 · 3 CVEs total

CVE-2026-25614 7.5 HIGH Blesta 代码问题漏洞
CVE-2026-25615 7.2 HIGH Blesta 代码问题漏洞

IV. Related Vulnerabilities

Same product: Blesta
Same vendor: Blesta
Same weakness: CWE-79

V. Comments for CVE-2026-25616

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