XSS in Ultimatemember
CVE-2018-6943
core/lib/upload/um-image-upload.php in the UltimateMember plugin 2.0 for WordPress has a cross-site scripting vulnerability because it fails to properly sanitize user input passed to the $temp variable.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.010 (62.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Ultimatemember — versions 2.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- packetstormsecurity.com/files/146403/WordPress-UltimateMember-2.0-Cross-Site-Sc… (Exploit, VDB Entry, Third Party Advisory)
- wpvulndb.com/vulnerabilities/9705
Frequently asked questions
- What is CVE-2018-6943?
- CVE-2018-6943 is a medium-severity vulnerability in Ultimatemember, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-02-16.
- How severe is CVE-2018-6943?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2018-6943 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.