XSS in Wpupper Share Buttons Project
CVE-2022-3838
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).
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (38.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Wpupper Share Buttons Project
- Wpupper Share Buttons — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/2dc82bd7-651f-4af0-ad2a-c20a38eea0d0 (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2022-3838?
- CVE-2022-3838 is a medium-severity vulnerability in Wpupper Share Buttons Project, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2022-12-05.
- How severe is CVE-2022-3838?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2022-3838 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.