Vulnerability · Published Dec 5, 2022 · Assigned by WPScan
CVE-2022-3838WPUpper Share Buttons <= 3.42 - Admin+ Stored XSS
Medium 4.8
In plain English
A medium-severity security flaw in WPUpper Share Buttons from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Severity (CVSS 3.1)4.8Medium
Exploit odds (30 days)0.5%top 57.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
The WPUpper Share Buttons WordPress plugin through 3.42 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | WPUpper Share Buttons | 0 – through 3.42 |
References
- https://wpscan.com/vulnerability/2dc82bd7-651f-4af0-ad2a-c20a38eea0d0 exploit, vdb-entry, technical-description