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CVE-2026-65879— Joomla Extension - joomshaper.com - Unauthenticated mail relay via a hardcoded, product-wide secret in SP Page Builder < 6.7.1

Quick assessment

Affected
joomshaper.com SP Page Builder extension for Joomla
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.

joomla SP Page Builder是joomla组织的一款CMS可视化页面构建插件。 joomla SP Page Builder 6.7.1之前版本存在安全漏洞，该漏洞源于硬编码的秘密导致未经身份验证的邮件中继，攻击者可伪造邮件发件地址。

AI Predicted 7.5 Difficulty: Easy EPSS 0.51% · P42

Affected Version Matrix 1

VendorProduct Version RangeStatus
joomshaper.com SP Page Builder extension for Joomla 1.0.0-6.7.0 affected
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I. Basic Information for CVE-2026-65879

Vulnerability Information
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Vulnerability Title
Joomla Extension - joomshaper.com - Unauthenticated mail relay via a hardcoded, product-wide secret in SP Page Builder < 6.7.1
Source: CVE Program / CVE List V5
Vulnerability Description
Joomla Extension - joomshaper.com - Unauthenticated mail relay via a hardcoded, product-wide secret in SP Page Builder < 6.7.1 - A hardcoded secret allowed attackers to forge the mail from address of forms.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
joomla SP Page Builder 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
joomla SP Page Builder是joomla组织的一款CMS可视化页面构建插件。 joomla SP Page Builder 6.7.1之前版本存在安全漏洞，该漏洞源于硬编码的秘密导致未经身份验证的邮件中继，攻击者可伪造邮件发件地址。
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
joomshaper.com SP Page Builder extension for Joomla 1.0.0-6.7.0 -

II. Public POCs for CVE-2026-65879

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III. Intelligence Information for CVE-2026-65879

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Security Blog Posts for CVE-2026-65879 (1)

Other References for CVE-2026-65879 (1)

Same Patch Batch · joomshaper.com · 2026-07-27 · 5 CVEs total

CVE-2026-65876 9.2 CRITICAL Joomla Extension - joomshaper.com - Unauthenticated SQL injection in SP Page Builder < 6.
CVE-2026-65766 9.2 CRITICAL Joomla Extension - joomshaper.com - Unauthenticated SQL injection in SP Page Builder < 6.
CVE-2026-65878 8.3 HIGH Joomla Extension - joomshaper.com - Authenticated arbitrary file delete in SP Page Builder
CVE-2026-65877 8.2 HIGH Joomla Extension - joomshaper.com - Authenticated SQL injection in SP Page Builder < 6.7.

IV. Related Vulnerabilities

Same product: SP Page Builder extension for Joomla
Same vendor: joomshaper.com

V. Comments for CVE-2026-65879

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