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CVE-2026-103369— Social Share Buttons & Analytics Plugin <= 4.5 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'response' Parameter via gs_update_with_values AJAX

Quick assessment

Affected
joaoromao Social Share Buttons & Analytics Plugin – GetSocial.io
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.

The Social Share Buttons & Analytics Plugin – GetSocial.io plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'response' parameter in all versions up to, and including, 4.5 due to insufficient input sanitization and output escaping. This

CVSS 6.4 · Medium EPSS 0.25% · P16

Affected Version Matrix 1

VendorProduct Version RangeStatus
joaoromao Social Share Buttons & Analytics Plugin – GetSocial.io ≤ 4.5 affected
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I. Basic Information for CVE-2026-103369

Vulnerability Information

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Vulnerability Title
Social Share Buttons & Analytics Plugin <= 4.5 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'response' Parameter via gs_update_with_values AJAX
Source: CVE Program / CVE List V5
Vulnerability Description
The Social Share Buttons & Analytics Plugin – GetSocial.io plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'response' parameter in all versions up to, and including, 4.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The injected payload is stored in the gs-alert-msg, gs-alert-utm, and gs-alert-cta WordPress options and executes in an administrator's browser when the GetSocial settings page is visited.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
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

Vendor Product Affected Versions CPE Subscribe
joaoromao Social Share Buttons & Analytics Plugin – GetSocial.io 0 ~ 4.5 -

II. Public POCs for CVE-2026-103369

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III. Intelligence Information for CVE-2026-103369

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Other References for CVE-2026-103369 (5)

IV. Related Vulnerabilities

Same product: Social Share Buttons & Analytics Plugin – GetSocial.io
Same weakness: CWE-79

V. Comments for CVE-2026-103369

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