CVE-2026-103369 json
Social Share Buttons & Analytics Plugin <= 4.5 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'response' Parameter via gs_update_with_values AJAX
published 26d ago modified 26d ago also EUVD-2026-100811
- cvss
- 6.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
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.
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 26d ago
Exploit prediction
0.25% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
Affected products
- joaoromao Social Share Buttons & Analytics Plugin – GetSocial.io
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
- wordfence.com /threat-intel/vulnerabilities/id/86f9c68f-73ab-4f2b-8424-8515cdf82577?source=cve
- plugins.trac.wordpress.org /browser/wp-share-buttons-analytics-by-getsocial/tags/4.5/tmpl/alerts.php#L18
- plugins.trac.wordpress.org /browser/wp-share-buttons-analytics-by-getsocial/tags/4.5/wp-share-buttons-analytics-getsocial.php#L54
- plugins.trac.wordpress.org /browser/wp-share-buttons-analytics-by-getsocial/tags/4.5/lib/gs.php#L72
- plugins.trac.wordpress.org /browser/wp-share-buttons-analytics-by-getsocial/tags/4.5/wp-share-buttons-analytics-getsocial.php#L38
Sources
- CVE List CVE-2026-103369
- NVD CVE-2026-103369
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.