CVE-2022-4979 Sitecore XP 7.5 - 10.2, CMS 7.2, and Managed Cloud XSS
Authenticated users can execute arbitrary JavaScript in Sitecore Shell, potentially compromising user sessions or data.
- 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-2022-4979?
CVE-2022-4979 is a medium-severity cross-site scripting vulnerability in Sitecore Content Mangement System (CMS), published on 25 Jul 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A cross-site scripting (XSS) vulnerability exists in Sitecore Experience Platform (XP) 7.5 - 10.2 and CMS 7.2 - 7.2 Update-6 that may allow authenticated Sitecore Shell users to be tricked into executing custom JS code. Managed Cloud Standard customers who run the affected Sitecore Experience Platform / CMS versions are also affected.
Weakness: CWE-79
Which versions are affected by CVE-2022-4979?
How do I fix CVE-2022-4979?
No fix has been published for CVE-2022-4979 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-2022-4979 being exploited?
There is no known exploitation of CVE-2022-4979 in the wild and no public exploit code.
Sources
Also known as GHSA-9q4g-35mh-2r24.