CVE-2026-59817

MEDIUMPre-NVD 5.35.3
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 83% 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).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 3 sources updated this week
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Ghost is a Node.js content management system. From 6.27.0 before 6.44.0, Ghost's public donation checkout flow allowed an unauthenticated attacker to control donation checkout metadata and obtain full paid gift memberships for a minimal payment without exposing customer or member data or stealing money from a site or its members. This issue is fixed in version 6.44.0.

CVSS v3
5.3
EG Score
5.3(medium)
EPSS
17.0%
KEV
Not listed

Published

July 9, 2026

Last Modified

July 10, 2026

Advisory Details (5)

Auto-updated Jul 10, 2026
Patch available. Sources: github_commit, github_pr, github.
github Patch Available

Paid gift memberships obtainable at minimal cost via the donations feature · Advisory · TryGhost/Ghost · GitHub

https://github.com/TryGhost/Ghost/security/advisories/GHSA-xm43-3m56-w3wf
github_pr Patch Available

Updated donation checkout metadata handling

Patch available: TryGhost/Ghost v6.44.0 (PR #28352 merged 2026-06-03)

https://github.com/TryGhost/Ghost/pull/28352
github_pr Patch Available

Updated donation checkout request handling

Patch available: TryGhost/Ghost v6.44.0 (PR #28351 merged 2026-06-03)

https://github.com/TryGhost/Ghost/pull/28351
github_commit Patch Available

commit ee7b991b466a (TryGhost/Ghost)

Patch available: TryGhost/Ghost v6.44.0 (contains commit ee7b991b466a)

https://github.com/TryGhost/Ghost/commit/ee7b991b466a7849c70f9d1caed8e491ee4113c6
github_commit Patch Available

commit cab716cd015a (TryGhost/Ghost)

Patch available: TryGhost/Ghost v6.44.0 (contains commit cab716cd015a)

https://github.com/TryGhost/Ghost/commit/cab716cd015ac04b7ee50c7a405478d97bc7b1e0

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 6× 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.

  1. 2026-07-11 20:49 UTCEG score recompute
  2. 2026-07-11 08:27 UTCEPSS rescore
  3. 2026-07-11 08:27 UTCEPSS rescore
  4. 2026-07-10 19:23 UTCEG score recompute
  5. 2026-07-09 17:57 UTCEG score recompute
  6. 2026-07-09 17:56 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-59817?
CVE-2026-59817 is a medium vulnerability published on July 9, 2026. Ghost is a Node.js content management system. From 6.27.0 before 6.44.0, Ghost's public donation checkout flow allowed an unauthenticated attacker to control donation checkout metadata and obtain full paid gift memberships for a minimal payment without exposing customer or member data or stealing…
When was CVE-2026-59817 disclosed?
CVE-2026-59817 was first published in the National Vulnerability Database on July 9, 2026, with the most recent update on July 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-59817 actively exploited?
CVE-2026-59817 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 17.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-59817?
CVE-2026-59817 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-59817?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-59817, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-59817

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