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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-103369
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-14 05:16:42 UTC
Updated2026-10-14 05:16:42 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 6.4 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
3.1CNADECLARED6.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Joaoromao Social Share Buttons Analytics Plugin GetSocial.io affected 4.5 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/wp-share-buttons-analytics-by-getsocial/tags/4.5/wp-s... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-share-buttons-analytics-by-getsocial/tags/4.5/wp-s... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-share-buttons-analytics-by-getsocial/tags/4.5/lib/... [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/86f9c68f-73ab-4f2b-8424-8515c... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/wp-share-buttons-analytics-by-getsocial/tags/4.5/tmpl... [email protected] plugins.trac.wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Alz (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-10-13T15:42:05.000ZDisclosed

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