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CVE-2021-24331
Smooth Scroll Page Up/Down Buttons < 1.4 - Authenticated Stored XSS
Medium4.8EPSS 0.65%
- Published
- Updated
- Reserved
- Assigned by
- WPScan
Description
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
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.65% · top 49% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.8.
Weakness
Affected products
Unknown · Smooth Scroll Page Up/Down Buttons
- affected 1.4 – < 1.4
References (2)
- https://wpscan.com/vulnerability/2c7ca586-def8-4723-b779-09d7f37fa1ab (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://m0ze.ru/vulnerability/%5B2021-04-24%5D-%5BWordPress%5D-%5BCWE-79%5D-Smooth-Scroll-Page-UpDown-Buttons-WordPress-Plugin-v1.3.txt (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-24331)Record last updated .