CVE-2025-0421 iFrame Injection in Mikrogrup's Shopside
Attackers can inject iframes to overlay UI elements, potentially deceiving users or bypassing security controls in the Shopside platform.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-0421?
CVE-2025-0421 is a medium-severity cross-site scripting vulnerability in Shopside, published on 19 Nov 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Improper Restriction of Rendered UI Layers or Frames vulnerability in Shopside Software Technologies Inc. Shopside allows iFrame Overlay.
This issue affects Shopside: through 05022025.
Weakness: CWE-1021
Which versions are affected by CVE-2025-0421?
How do I fix CVE-2025-0421?
No fix has been published for CVE-2025-0421 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-2025-0421 being exploited?
There is no known exploitation of CVE-2025-0421 in the wild and no public exploit code.
Sources
Also known as GHSA-hfj2-6g68-rgrj.