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CVE-2024-34714— Hoppscotch Extension responds to calls made by origins not in the domain list

Quick assessment

Affected
hoppscotch hoppscotch-extension
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.

Hoppscotch是一个开源 Api 开发生态系统。 Hoppscotch 0.35之前版本存在安全漏洞，该漏洞源于允许在安装了扩展的浏览器上运行的任何站点绕过CORS限制。

CVSS 7.6 · High EPSS 0.33% · P26

Possible ATT&CK Techniques 1 AI

T1553.005 · Mark-of-the-Web Bypass
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I. Basic Information for CVE-2024-34714

Vulnerability Information
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Vulnerability Title
Hoppscotch Extension responds to calls made by origins not in the domain list
Source: CVE Program / CVE List V5
Vulnerability Description
The Hoppscotch Browser Extension is a browser extension for Hoppscotch, a community-driven end-to-end open-source API development ecosystem. Due to an oversight during a change made to the extension in the commit d4e8e4830326f46ba17acd1307977ecd32a85b58, a critical check for the origin list was missed and allowed for messages to be sent to the extension which the extension gladly processed and responded back with the results of, while this wasn't supposed to happen and be blocked by the origin not being present in the origin list. This vulnerability exposes Hoppscotch Extension users to sites which call into Hoppscotch Extension APIs internally. This fundamentally allows any site running on the browser with the extension installed to bypass CORS restrictions if the user is running extensions with the given version. This security hole was patched in the commit 7e364b928ab722dc682d0fcad713a96cc38477d6 which was released along with the extension version `0.35`. As a workaround, Chrome users can use the Extensions Settings to disable the extension access to only the origins that you want. Firefox doesn't have an alternative to upgrading to a fixed version.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
完整性检查值验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Hoppscotch 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hoppscotch是一个开源 Api 开发生态系统。 Hoppscotch 0.35之前版本存在安全漏洞，该漏洞源于允许在安装了扩展的浏览器上运行的任何站点绕过CORS限制。
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
hoppscotch hoppscotch-extension >= 0.28, < 0.35 -

II. Public POCs for CVE-2024-34714

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 10098 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2024-34714

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Patches & Fixes for CVE-2024-34714 (2)

Vendor Advisories for CVE-2024-34714 (1)

IV. Related Vulnerabilities

Same vendor: hoppscotch
Same weakness: CWE-354

V. Comments for CVE-2024-34714

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