Inappropriate implementation in Permission Prompts in Google Chrome prior to 134.0.6998.35 allowed an attacker who convinced a user to install a malicious extension to perform UI spoofing via a crafted Chrome Extension. (Chromium security severity: Low)
Conclusion & alert: CVE-2025-1923 is rated Low Risk (31.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.20%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-09 | 0.26% | 0.20% | -0.06% |
| 2 | 2026-04-26 | 0.05% | 0.26% | +0.20% |
| 3 | 2025-11-08 | — | 0.05% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 3.1 | MEDIUM |
|
2.8 | 1.4 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
end-of-life | CVE-2025-1923 end-of-life priority: Debian including 1 source packages (chromium), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 4, open 1. | https://security-tracker.debian.org/tracker/CVE-2025-1923 |
| URL | Tags |
|---|---|
| https://chromereleases.googleblog.com/2025/03/stable-channel-update-for-desktop.html | Release Notes |
| https://issues.chromium.org/issues/382540635 | Permissions Required |