CVE-2025-59950

FreshRSS: Double clickjacking can lead to privilege escalation

MEDIUM
5.4
CVSS Score
Published: September 29, 2025 at 11:21 PM UTC
Updated: October 19, 2026 at 04:10 PM UTC
1 product affected across 1 vendorFreshRSS

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.3%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.27.0
Affected range stops below 1.27.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

x_refsource_CONFIRMExploitVendor Advisory
Source: cverecord
https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-j66v-hvqx-5vh3
x_refsource_MISCPatch
Source: cverecord
https://github.com/FreshRSS/FreshRSS/pull/7771
x_refsource_MISCRelease Notes
Source: cverecord
https://github.com/FreshRSS/FreshRSS/releases/tag/1.27.0

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-1021

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