CVE-2021-25038 Multisite User Sync/Unsync < 2.1.2 - Reflected Cross-Site Scripting
Reflected Cross-Site Scripting in WordPress Multisite User Sync/Unsync plugin allows attackers to inject malicious scripts via unsanitized parameters.
- 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-2021-25038?
CVE-2021-25038 is a medium-severity cross-site scripting vulnerability in Unknown WordPress Multisite User Sync/Unsync, published on 7 Mar 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 WordPress Multisite User Sync/Unsync WordPress plugin before 2.1.2 does not sanitise and escape the wmus_source_blog and wmus_record_per_page parameters before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues
Weakness: CWE-79
Which versions are affected by CVE-2021-25038?
It affects 1 product.
Products include Obtaininfotech Multisite User Sync\/Unsync.
How do I fix CVE-2021-25038?
No fix has been published for CVE-2021-25038 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-2021-25038 being exploited?
There is no known exploitation of CVE-2021-25038 in the wild and no public exploit code.
Sources
Also known as GHSA-94m2-cmhh-rr95.