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TI-2021-06709 Aliases CVE-2021-24418GHSA-hv4v-qq65-xmfx

Smooth Scroll Page Up/Down Buttons <= 1.4 - Authenticated Stored XSS via psb_positioning

Priority LOW 23CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

The Smooth Scroll Page Up/Down Buttons WordPress plugin through 1.4 does not properly sanitise and validate its psb_positioning settings, allowing high privilege users such as admin to set an XSS payload in it, which will be executed in all pages of the blog

Why it matters now

EPSS 0.00626 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Mark SenffSmooth Scroll Page Up/Down Buttons1.4 – 1.4—No fix listedCNA
  • Smooth Scroll Page Up/Down Buttons VendorMark Senff Affected 1.4 – 1.4 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:smooth_scroll_page_up\/down_buttons_project:smooth_scroll_page_up\/down_buttons:*:*:*:*:*:wordpress:*:*up to 1.4VulnerableSmooth Scroll Page Up/down Buttons Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-24418
  2. 2026-10-03 Alias added: GHSA-hv4v-qq65-xmfx
  3. 2026-10-30 EPSS moved to the 50th–90th percentile

References

  • TI-2021-06623 Smooth Scroll Page Up/Down Buttons < 1.4 - Authenticated Stored XSS CVSS 3.1MEDIUM 4.8

Sources