CVE-2021-24603 Site Reviews < 5.13.1 - Authenticated Stored XSS
Authenticated admins can inject malicious scripts via review details in the Site Reviews WordPress plugin, leading to stored XSS when unfiltered HTML is disabled.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-24603?
CVE-2021-24603 is a medium-severity cross-site scripting vulnerability in Unknown Site Reviews, published on 6 Sep 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The Site Reviews WordPress plugin before 5.13.1 does not sanitise some of its Review Details when adding a review as an admin, which could allow them to perform Cross-Site Scripting attacks when the unfiltered_html is disallowed
Weakness: CWE-79
Which versions are affected by CVE-2021-24603?
It affects 1 product.
Products include Geminilabs Site Reviews.
How do I fix CVE-2021-24603?
No fix has been published for CVE-2021-24603 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-2021-24603 being exploited?
There is no known exploitation of CVE-2021-24603 in the wild and no public exploit code.
Other vulnerabilities in Unknown Site Reviews
- CVE-2024-3050 Site Reviews < 7.0.0 - IP Spoofing
- CVE-2025-1232 Site Reviews < 7.2.5 - Unauthenticated Stored XSS
- CVE-2023-27612 WordPress Site Reviews Plugin <= 6.5.1 is vulnerable to Cross Site Scripting (XSS)
- CVE-2023-27629 WordPress Site Reviews Plugin <= 6.5.1 is vulnerable to Cross Site Scripting (XSS)
- CVE-2022-46801 WordPress Site Reviews Plugin <= 6.2.0 is vulnerable to CSV Injection
Sources
Also known as GHSA-j3qx-4gvc-v53m.