CVE-2021-24418 Smooth Scroll Page Up/Down Buttons <= 1.4 - Authenticated Stored XSS via psb_positioning
Authenticated admins can inject stored XSS payloads via plugin settings, executing scripts on all blog pages.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-24418?
CVE-2021-24418 is a medium-severity cross-site scripting vulnerability in Mark Senff Smooth Scroll Page Up/Down Buttons, published on 12 Jul 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
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
Weakness: CWE-79
Which versions are affected by CVE-2021-24418?
It affects 1 product.
Products include Smooth Scroll Page Up\/Down Buttons Project Smooth Scroll Page Up\/Down Buttons.
How do I fix CVE-2021-24418?
No fix has been published for CVE-2021-24418 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-24418 being exploited?
There is no known exploitation of CVE-2021-24418 in the wild and no public exploit code.
Other vulnerabilities in Mark Senff Smooth Scroll Page Up/Down Buttons
Sources
Also known as GHSA-hv4v-qq65-xmfx.