XSS in Smooth Scroll Page Up\/down Buttons Project
CVE-2021-24331
The Smooth Scroll Page Up/Down Buttons WordPress plugin before 1.4 did not properly sanitise and validate its settings, such as psb_distance, psb_buttonsize, psb_speed, only validating them client side. This could allow high privilege users (such as admin) to set XSS payloads in them
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.007 (48.3th percentile) — read the EPSS interpretation.
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.
Affected products
- Smooth_scroll_page_up\/down_buttons_project Smooth_scroll_page_up\/down_buttons
- Unknown Smooth Scroll Page Up/down Buttons — versions 1.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- contact@wpscan.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
- contact@wpscan.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-24331?
- CVE-2021-24331 is a medium-severity vulnerability in Smooth Scroll Page Up\/down Buttons Project, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-06-01.
- How severe is CVE-2021-24331?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2021-24331 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.