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CVE-2025-55291— Shaarli allows reflected XSS via searchtags parameter

Quick assessment

Affected
shaarli Shaarli
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.

Shaarli是一套网站克隆工具。 Shaarli 0.15.0之前版本存在安全漏洞，该漏洞源于输入字符串未正确清理，容易受到反射型跨站脚本攻击。

CVSS 7.1 · High EPSS 0.23% · P13

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript
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I. Basic Information for CVE-2025-55291

Vulnerability Information
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Vulnerability Title
Shaarli allows reflected XSS via searchtags parameter
Source: CVE Program / CVE List V5
Vulnerability Description
Shaarli is a minimalist bookmark manager and link sharing service. Prior to 0.15.0, the input string in the cloud tag page is not properly sanitized. This allows the </title> tag to be prematurely closed, leading to a reflected Cross-Site Scripting (XSS) vulnerability. This vulnerability is fixed in 0.15.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
Web页面中脚本相关HTML标签转义处理不恰当(基本跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Shaarli 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Shaarli是一套网站克隆工具。 Shaarli 0.15.0之前版本存在安全漏洞，该漏洞源于输入字符串未正确清理，容易受到反射型跨站脚本攻击。
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
shaarli Shaarli < 0.15.0 -

II. Public POCs for CVE-2025-55291

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 5249 chars
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In-depth vulnerability mechanism
Trigger conditions & impact
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III. Intelligence Information for CVE-2025-55291

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Patches & Fixes for CVE-2025-55291 (1)

Vendor Advisories for CVE-2025-55291 (1)

IV. Related Vulnerabilities

Same product: Shaarli
Same vendor: shaarli
Same weakness: CWE-80

V. Comments for CVE-2025-55291

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