CVE-2026-103369 joaoromao CVE debrief

Who should care

Defenders responsible for WordPress installations with the Social Share Buttons & Analytics Plugin – GetSocial.io plugin should assess exposure and prioritize verification and remediation efforts.

Why it matters

The Social Share Buttons & Analytics Plugin – GetSocial.io plugin for WordPress is vulnerable to Stored Cross-Site Scripting, allowing authenticated attackers to inject arbitrary web scripts.

• Authenticated attackers with subscriber-level access and above can inject arbitrary web scripts
• Injected payloads are stored in WordPress options and execute in administrators' browsers
• Defenders must verify the presence of this vulnerability and assess exposure
• Remediation priority is high for affected versions

Technical summary

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. Defenders should prioritize verifying the presence of this vulnerability in their

Defensive priority

Defenders should prioritize verifying the presence of this vulnerability in their WordPress installations and assess exposure, particularly for subscriber-level access and above.

Recommended defensive actions

• Verify the presence of this vulnerability in your WordPress installations
• Assess exposure, particularly for subscriber-level access and above
• Apply patches or updates to affected versions
• Monitor for suspicious activity
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and source item provide details on the vulnerability, including its description, CVSS score, and affected versions. 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 vulnerability allows authenticated attackers with subscriber-level access and above to inject arbitrary web scripts. The injected payload is stored

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.