CVE-2026-103292— Ghost 0.5.3 before 6.50.0 Cross-Site Scripting via ghost_head
Quick assessment
Affected
TryGhost Ghost
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.
Ghost 0.5.3 至 6.50.0 之前的版本未能对 辅助函数输出的 JSON-LD HTML 标签中的数据进行适当的清理。拥有有限权限的已认证用户可以注入未转义的内容，该内容会在已发布的页面中被渲染为脚本代码。当具有管理员权限的工作人员用户查看受影响页面时，可能导致其管理会话被劫持或遭受攻击。
Possible ATT&CK Techniques 1 AI
T1059.007 · JavaScript
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I. Basic Information for CVE-2026-103292
Vulnerability Information
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Vulnerability Title
Ghost 0.5.3 before 6.50.0 Cross-Site Scripting via ghost_head
Source: CVE Program / CVE List V5
Vulnerability Description
Ghost versions from 0.5.3 through versions prior to 6.50.0 fail to sanitize the data placed in the JSON-LD HTML tag emitted by the {{ghost_head}} helper. An authenticated user with limited privileges can inject unescaped content that is rendered as script in the published page, potentially leading to compromise of a staff user's admin session when that user views the affected page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-103292
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Vendor Advisories for CVE-2026-103292 (2)
Same Patch Batch · TryGhost · 2026-10-01 · 26 CVEs total
| CVE-2026-103268 | 8.8 HIGH | Ghost 1.0.0 before 6.62.0 Suspension Bypass via Password Reset |
| CVE-2026-103283 | 8.1 HIGH | Ghost 6.20.0 before 6.57.1 Authentication Bypass via Session Handling |
| CVE-2026-103277 | 8.1 HIGH | Ghost 2.5.0 before 6.34.0 Untrusted Script Execution via oEmbed |
| CVE-2026-103271 | 7.5 HIGH | Ghost 4.0.0 before 6.63.0 Restricted Content Bypass |
| CVE-2026-103272 | 7.5 HIGH | Ghost 2.10.0 before 6.63.0 Staff Enumeration via Content API |
| CVE-2026-103286 | 7.3 HIGH | Ghost 2.21.0 before 6.56.0 Privilege Escalation via Notifications |
| CVE-2026-103278 | 7.3 HIGH | Ghost 5.8.0 before 6.34.0 Staff Account Takeover via Admin iframe |
| CVE-2026-103266 | 7.1 HIGH | Ghost 5.2.0 before 6.62.0 Unauthenticated Stripe Checkout Account Modification |
| CVE-2026-103279 | 6.8 MEDIUM | Ghost 3.10.0 before 6.34.0 Session Invalidation Bypass |
| CVE-2026-103288 | 6.5 MEDIUM | Ghost 5.9.0 before 6.44.1 Authorization Bypass via Comment Like |
| CVE-2026-103289 | 6.5 MEDIUM | Ghost 5.9.0 before 6.44.1 Authorization Bypass via Comments |
| CVE-2026-103291 | 6.4 MEDIUM | Ghost 3.20.2 before 6.51.0 SSRF via image-size fetch |
| CVE-2026-103281 | 5.4 MEDIUM | Ghost 3.23.0 before 6.23.0 API Key Exposure via Admin API |
| CVE-2026-103274 | 5.3 MEDIUM | Ghost 5.3.0 before 6.58.0 Unauthenticated Comment Read |
| CVE-2026-103280 | 5.3 MEDIUM | Ghost 0.8.0 before 6.23.0 Information Disclosure via Setup Endpoint |
| CVE-2026-103269 | 5.3 MEDIUM | Ghost 5.3.0 before 6.62.0 Missing Authorization via Post Excerpts |
| CVE-2026-103276 | 5.3 MEDIUM | Ghost before 6.20.0 File Read via URL Encoding Bypass |
| CVE-2026-103284 | 4.3 MEDIUM | Ghost 5.125.1 before 6.57.1 Information Disclosure via Feedback |
| CVE-2026-103282 | 4.3 MEDIUM | Ghost 0.5.0 before 6.23.0 Multiple Account Creation via Invite Token |
| CVE-2026-103275 | 4.3 MEDIUM | Ghost 5.42.2 before 6.58.0 Password Hash Disclosure |
Showing top 20 of 26 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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Ghost from 2.5.0 before 6.64.0 Stored XSS via oEmbed Photo R -
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Same weakness: CWE-79
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V. Comments for CVE-2026-103292
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