XSS in Properfraction Profilepress
CVE-2021-24450
The User Registration, User Profiles, Login & Membership – ProfilePress (Formerly WP User Avatar) WordPress plugin before 3.1.8 did not sanitise or escape some of its settings before saving them and outputting them back in the page, allowing high privilege users such as admin to set JavaScript payloads in them even when the unfiltered_html capability is disallowed, leading to an authenticated Stored Cross-Site Scripting issue
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: 0.007 (49.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Properfraction Profilepress
- User Registration, Profiles, Login & Membership – Profilepress (Formerly Wp Avatar) — versions 3.1.8
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/a8625579-fe8f-4bc1-a641-0e26ad141c92 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-24450?
- CVE-2021-24450 is a medium-severity vulnerability in Properfraction Profilepress, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-08-02.
- How severe is CVE-2021-24450?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2021-24450 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.