CVE-2021-24409 Prismatic < 2.8 - Reflected Cross-Site Scripting (XSS)
Reflected XSS in Prismatic plugin allows attackers to execute scripts in admin context via unescaped tab parameter.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-24409?
CVE-2021-24409 is a medium-severity cross-site scripting vulnerability in Jeff Starr Prismatic, published on 12 Jul 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The Prismatic WordPress plugin before 2.8 does not escape the 'tab' GET parameter before outputting it back in an attribute, leading to a reflected Cross-Site Scripting issue which will be executed in the context of a logged in administrator
Weakness: CWE-79
Which versions are affected by CVE-2021-24409?
It affects 1 product.
Products include Plugin-Planet Prismatic.
How do I fix CVE-2021-24409?
No fix has been published for CVE-2021-24409 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-2021-24409 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-24409 exists.
Public exploit code: 1 Nuclei template.
Other vulnerabilities in Jeff Starr Prismatic
Sources
Also known as GHSA-2r3g-9rm8-7fv3.