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CVE-2026-66648— WordPress Jawn theme <= 1.4.2 - Privilege Escalation vulnerability

Quick assessment

Affected
MVPThemes Jawn
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.

mvpthemes Jawn是mvpthemes个人开发者的一个组件化开发模板。 mvpthemes Jawn 1.4.2及之前版本存在权限许可和访问控制问题漏洞，该漏洞源于未经验证的特权提升，可能导致权限提升。

CVSS 9.8 · Critical EPSS 0.48% · P40

Affected Version Matrix 1

VendorProduct Version RangeStatus
MVPThemes Jawn n/a≤ 1.4.2 affected
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I. Basic Information for CVE-2026-66648

Vulnerability Information
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Vulnerability Title
WordPress Jawn theme <= 1.4.2 - Privilege Escalation vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Privilege Escalation in Jawn <= 1.4.2 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
特权授予不正确
Source: CVE Program / CVE List V5
Vulnerability Title
mvpthemes Jawn 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mvpthemes Jawn是mvpthemes个人开发者的一个组件化开发模板。 mvpthemes Jawn 1.4.2及之前版本存在权限许可和访问控制问题漏洞，该漏洞源于未经验证的特权提升，可能导致权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
MVPThemes Jawn n/a ~ 1.4.2 -

II. Public POCs for CVE-2026-66648

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III. Intelligence Information for CVE-2026-66648

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Vendor Advisories for CVE-2026-66648 (1)

IV. Related Vulnerabilities

Same product: Jawn
Same vendor: MVPThemes
Same weakness: CWE-266

V. Comments for CVE-2026-66648

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