CVE-2026-73641 Multiple Reflected XSS in Dayforce ESS Excelity
Attackers can execute arbitrary JavaScript in victims' browsers via crafted URLs in Dayforce ESS Excelity, requiring an upgrade to version V4.
- 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-2026-73641?
CVE-2026-73641 is a medium-severity cross-site scripting vulnerability in Dayforce ESS Excelity, published on 28 Sep 2026. 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
Dayforce ESS Excelity is vulnerable to Reflected XSS in multiple endpoints. An attacker can prepare a specially crafted URL that, when opened, results in arbitrary JavaScript execution in the victim's browser.
This issue was fixed in version V4.
Weakness: CWE-79
Which versions are affected by CVE-2026-73641?
How do I fix CVE-2026-73641?
No fix has been published for CVE-2026-73641 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-2026-73641 being exploited?
There is no known exploitation of CVE-2026-73641 in the wild and no public exploit code.
Sources
Also known as GHSA-9rqp-h52c-rgx9.