CVE-2022-4971
Published: 16 October 2024
Summary
CVE-2022-4971 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Heateor Sassy Social Share. Its CVSS base score is 6.1 (Medium).
Operationally, ranked in the top 6.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
The Sassy Social Share plugin for WordPress is vulnerable to reflected cross-site scripting via the urls parameter in the heateor_sss_sharing_count AJAX action. The flaw affects all versions through 3.3.3 and stems from insufficient input sanitization and output escaping, as classified under CWE-79 with a CVSS 3.1 score of 6.1.
Unauthenticated attackers can exploit the issue by supplying crafted input that executes arbitrary scripts in a victim's browser, provided they can first trick the user into clicking a malicious link. Successful exploitation yields limited impacts on confidentiality and integrity within the affected site's context.
Advisories published by WPScan and Wordfence document the vulnerability and should be consulted for mitigation steps such as plugin updates. The associated EPSS score has remained flat at 0.1013 with no material increase observed after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-53923
Vulnerability details
The Sassy Social Share plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'urls' parameter called via the 'heateor_sss_sharing_count' AJAX action in versions up to, and including, 3.3.3 due to insufficient input sanitization and output escaping. This makes…
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it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.