CVE-2025-47977
Published: 10 June 2025
Summary
CVE-2025-47977 is a high-severity Cross-site Scripting (CWE-79) vulnerability in Microsoft Nuance Digital Engagement Platform. Its CVSS base score is 8.2 (High).
Operationally, ranked in the top 19.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2025-47977 is a cross-site scripting vulnerability arising from improper neutralization of input during web page generation, categorized under CWE-79. It affects the Nuance Digital Engagement Platform and carries a CVSS 3.1 base score of 8.2 reflecting network attack vector, low complexity, no required privileges, required user interaction, changed scope, high confidentiality impact, and low integrity impact.
An unauthenticated remote attacker can exploit the flaw over a network to perform spoofing attacks. Successful exploitation may allow the attacker to execute scripts in a victim's browser session, potentially leading to data exposure or unauthorized actions within the affected platform.
The associated Microsoft Security Response Center advisory at the referenced URL provides official details on the issue. EPSS scores remain low, with a current value of 0.0131 and a peak of 0.0136, indicating limited observed exploitation interest to date.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-17722
Vulnerability details
Improper neutralization of input during web page generation ('cross-site scripting') in Nuance Digital Engagement Platform allows an unauthorized attacker to perform spoofing over a network.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.