CVE-2021-24763 Perfect Survey < 1.5.2 - Unauthorised AJAX Call to Stored XSS / Survey Settings Update
Unauthenticated attackers can inject malicious scripts via survey settings, leading to stored XSS and unauthorized data modification in the Perfect Survey plugin.
- 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-2021-24763?
CVE-2021-24763 is a high-severity cross-site scripting vulnerability in n/a, published on 1 Feb 2022. 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 Perfect Survey WordPress plugin before 1.5.2 does not have proper authorisation nor CSRF checks in the save_global_setting AJAX action, allowing unauthenticated users to edit surveys and modify settings. Given the lack of sanitisation and escaping in the settings, this could also lead to a Stored Cross-Site Scripting issue which will be executed in the context of a user viewing any survey
Weakness: CWE-352
Which versions are affected by CVE-2021-24763?
It affects 1 product.
Products include Getperfectsurvey Perfect Survey.
How do I fix CVE-2021-24763?
No fix has been published for CVE-2021-24763 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-2021-24763 being exploited?
There is no known exploitation of CVE-2021-24763 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-jq43-f5f4-5hhr.