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.
CVE-2025-59950
This medium-severity CVE scores 6.7 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 82% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.7
- EG Score
- 6.7(medium)
- EG Risk
- 46(Track*)EG Risk 46/100SSVC: Track*
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity67% × 45%Exploitation40% × 40%Automatability0% × 15%Action: Watch closely — could escalate to Attend. - EPSS
- 17.9%
- KEV
- Not listed
Published
September 30, 2025
Last Modified
October 3, 2025
References (4)
- security-advisories@githubhttps://github.com/FreshRSS/FreshRSS/pull/7771
- security-advisories@githubhttps://github.com/FreshRSS/FreshRSS/releases/tag/1.27.0
- security-advisories@githubhttps://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-j66v-hvqx-5vh3
- 134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-j66v-hvqx-5vh3
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 11× in last 7d / 43× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-23 14:18 UTCEPSS rescore
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- 2026-05-29 21:54 UTCEG score recompute
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Frequently asked(5)
What is CVE-2025-59950?
When was CVE-2025-59950 disclosed?
Is CVE-2025-59950 actively exploited?
What is the CVSS score of CVE-2025-59950?
How do I remediate CVE-2025-59950?
Dependency Blast Radius
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