Is CVE-2025-23490 in the CISA KEV catalog?

No. CVE-2025-23490 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-23490?

CVE-2025-23490 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2025-23490?

CVE-2025-23490 has an EPSS score of 0.26% (17th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2025-23490

HIGH

7.1

CVSS v3

NVD

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Michael Stursberg Browser-Update-Notify browser-update-notify allows Reflected XSS.This issue affects Browser-Update-Notify: from n/a through <= 0.2.1.

CWE-79Cross-Site Scripting (XSS)

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Exploit Intelligence

0.26%probability of exploitation in 30 days

17thpercentile

Low risk: more likely to be exploited than 17% of all known CVEs.

References

https://patchstack.com/database/Wordpress/Plugin/browser-update-notify/vulnerability/wordpress-browser-update-notify-plugin-0-2-1-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.