SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2025-49873

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NasaTheme Elessi elessi-theme allows Reflected XSS.This issue affects Elessi: from n/a through <= 6.3.9.

HIGH 7.1EPSS 0.24%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NasaTheme Elessi elessi-theme allows Reflected XSS.This issue affects Elessi: from n/a through <= 6.3.9.

CVSS 3.1
7.1 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
EPSS
0.24% probability · 15th percentile
CISA KEV
Not listed
Weakness
CWE-79
Source
audit@patchstack.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.