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CVE-2025-59950— FreshRSS: Double clickjacking can lead to privilege escalation

Quick assessment

Affected
FreshRSS FreshRSS
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.

FreshRSS是FreshRSS开源的一个免费的、可自行托管的 RSS 聚合器。 FreshRSS 1.26.3及之前版本存在安全漏洞，该漏洞源于绕过双重点击劫持保护，可能导致权限提升和账户接管。

CVSS 6.7 · Medium EPSS 0.28% · P19

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-59950

Vulnerability Information
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Vulnerability Title
FreshRSS: Double clickjacking can lead to privilege escalation
Source: CVE Program / CVE List V5
Vulnerability Description
FreshRSS is a free, self-hostable RSS aggregator. In versions 1.26.3 and below, due to a bypass of double clickjacking protection (confirmation dialog), it is possible to trick the admin into clicking the Promote button in another user's management page after the admin double clicks on a button inside an attacker-controlled website. A successful attack can allow the attacker to promote themselves to "admin" and log into other users' accounts; the attacker has to know the specific instance URL they're targeting. This issue is fixed in version 1.27.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不当限制渲染UI层或帧
Source: CVE Program / CVE List V5
Vulnerability Title
FreshRSS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreshRSS是FreshRSS开源的一个免费的、可自行托管的 RSS 聚合器。 FreshRSS 1.26.3及之前版本存在安全漏洞，该漏洞源于绕过双重点击劫持保护，可能导致权限提升和账户接管。
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
FreshRSS FreshRSS < 1.27.0 -

II. Public POCs for CVE-2025-59950

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III. Intelligence Information for CVE-2025-59950

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Vendor Advisories for CVE-2025-59950 (1)

Same Patch Batch · FreshRSS · 2025-09-29 · 7 CVEs total

CVE-2025-54875 9.8 CRITICAL FreshRSS: Unauthorized creation of admin user when registration is enabled
CVE-2025-54591 7.5 HIGH FreshRSS: Unauthenticated users can view default user's information
CVE-2025-59948 6.7 MEDIUM FreshRSS is vulnerable to XSS due to lack of CSP on HTML query page
CVE-2025-54592 FreshRSS has Incomplete Session Termination on Logout
CVE-2025-57769 FressRSS: Clickjacking can lead to XSS and/or privilege escalation
CVE-2025-61586 FreshRSS is vulnerable to directory enumeration by setting path in its theme field

IV. Related Vulnerabilities

Same product: FreshRSS
Same vendor: FreshRSS
Same weakness: CWE-1021

V. Comments for CVE-2025-59950

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