CVE-2025-23851 Cross-site scripting in Coronavirus (COVID-19) Outbreak Data Widgets
An attacker can execute arbitrary scripts in the victim's browser via reflected XSS in the Coronavirus Outbreak Data Widgets 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-2025-23851?
CVE-2025-23851 is a high-severity cross-site scripting vulnerability in Khushwant Singh Coronavirus (COVID-19) Outbreak Data Widgets, published on 14 Feb 2025. 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
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Khushwant Singh Coronavirus (COVID-19) Outbreak Data Widgets coronavirus-data-widgets allows Reflected XSS.This issue affects Coronavirus (COVID-19) Outbreak Data Widgets: from n/a through <= 1.1.1.
Weakness: CWE-79
Which versions are affected by CVE-2025-23851?
How do I fix CVE-2025-23851?
No fix has been published for CVE-2025-23851 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-2025-23851 being exploited?
There is no known exploitation of CVE-2025-23851 in the wild and no public exploit code.
Sources
Also known as GHSA-2c45-r34f-w6v8.