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Vulnerabilities

Vulnerability · CVE-2025-27388

Loading arbitrary external URLs through WebView components introduces malicious JS code that can steal arbitrary user tokens.

Published Aug 14, 2025 · catalog updated Aug 14, 2025 · OPPO OPPO HEALTH APP

Last checked Oct 27, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-27388. EPSS is 0.39%. Act only if a listed version of OPPO OPPO HEALTH APP is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.39%
Remediation
Advisory link
Affected products
vendor OPPO OPPO HEALTH APP 4.23.4 and below ≤4.23.4

Loading arbitrary external URLs through WebView components introduces malicious JS code that can steal arbitrary user tokens.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor OPPO OPPO HEALTH APP 4.23.4 and below ≤4.23.44.23.4 and below ≤4.23.4

How to fix CVE-2025-27388

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-27388. EPSS is 0.39%. Act only if a listed version of OPPO OPPO HEALTH APP is installed.

Which versions are affected?

Compare what you have installed with OPPO OPPO HEALTH APP 4.23.4 and below ≤4.23.4 4.23.4 and below ≤4.23.4. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.39%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 14, 2025 · EUVD

    Detected

    Loading arbitrary external URLs through WebView components introduces malicious JS code that can steal arbitrary user tokens.

  2. Aug 14, 2025 · EUVD

    Updated

    Loading arbitrary external URLs through WebView components introduces malicious JS code that can steal arbitrary user tokens.

Sources

  • CVE.orgVulnerability recordCVE-2025-27388

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-27388

    30-day exploitation probability 0.39%

    first.org
  • EUVDVulnerability recordEUVD-2025-24672

    Loading arbitrary external URLs through WebView components introduces malicious JS code that can steal arbitrary user tokens.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 27, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 24, 2026
  • CVE.orgOct 21, 2026
  • EUVDOct 20, 2026