CVE-2026-2278— VW Writer Blog <= 1.3.8 - Missing Authorization to Authenticated (Subscriber+) Theme Settings Reset
Quick assessment
Affected
vowelweb VW Writer Blog
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.
WordPress 的 VW Writer Blog 主题存在漏洞，由于 函数中缺少权限检查，导致所有版本（包括 1.3.8 及更早版本）易受未授权的数据修改攻击。这使得拥有“订阅者”或更高权限的已认证攻击者能够将主题的所有自定义设置重置为默认值。
Possible ATT&CK Techniques 1 AI
T1078 · Valid Accounts
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I. Basic Information for CVE-2026-2278
Vulnerability Information
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Vulnerability Title
VW Writer Blog <= 1.3.8 - Missing Authorization to Authenticated (Subscriber+) Theme Settings Reset
Source: CVE Program / CVE List V5
Vulnerability Description
The VW Writer Blog theme for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'vw_writer_blog_reset_all_settings' function in all versions up to, and including, 1.3.8. This makes it possible for authenticated attackers, with Subscriber-level access and above, to reset all theme customizer settings to their defaults.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| vowelweb | VW Writer Blog | 0 ~ 1.3.8 | - |
|
II. Public POCs for CVE-2026-2278
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-2278 (1)
Security Blog Posts for CVE-2026-2278 (1)
Vendor Pages for CVE-2026-2278 (1)
Other References for CVE-2026-2278 (1)
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V. Comments for CVE-2026-2278
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