CVE-2025-20310 Cisco Enterprise Chat and Email Stored Cross-Site Scripting Vulnerability
An attacker with valid agent credentials can inject malicious scripts into the Cisco ECE web UI, allowing arbitrary code execution or data theft in victim browsers.
- 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-2025-20310?
CVE-2025-20310 is a medium-severity cross-site scripting vulnerability in Cisco Enterprise Chat and Email, published on 2 Jul 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
A vulnerability in the web UI of Cisco Enterprise Chat and Email (ECE) could allow an unauthenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface. This vulnerability exists because the web UI does not properly validate user-supplied input. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. To successfully exploit this vulnerability, an attacker would need valid agent credentials.
Weakness: CWE-79
Which versions are affected by CVE-2025-20310?
It affects 1 product.
Products include Cisco Enterprise Chat and Email.
How do I fix CVE-2025-20310?
No fix has been published for CVE-2025-20310 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-2025-20310 being exploited?
There is no known exploitation of CVE-2025-20310 in the wild and no public exploit code.
Other vulnerabilities in Cisco Enterprise Chat and Email
- CVE-2025-20139 Denial of service in Cisco Enterprise Chat and Email
- CVE-2024-20484 Cisco Enterprise Chat and Email Denial of Service Vulnerability
- CVE-2019-1877 Cisco Enterprise Chat and Email Attachment Download Vulnerability
- CVE-2022-20631 Cisco Enterprise Chat and Email Cross-Site Scripting Vulnerability
- CVE-2022-20632 Cisco Enterprise Chat and Email Cross-Site Scripting Vulnerability
Sources
Also known as GHSA-hqh5-j25x-xrmw.