CVE-2025-69234

CRITICAL
Published Dec 30, 2025 Modified Jan 13, 2026 CWE-358

Description

Whale browser before 4.35.351.12 allows an attacker to escape the iframe sandbox in a sidebar environment.

CVSS v3.1 Score

9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness Type (CWE)

CWE-358 CWE-358

Affected Products

Vendor Product
navercorp whale

References

Frequently Asked Questions

What is CVE-2025-69234? +
Whale browser before 4.35.351.12 allows an attacker to escape the iframe sandbox in a sidebar environment. It has a CVSS v3.1 base score of 9.1 (CRITICAL).
How severe is CVE-2025-69234? +
CVE-2025-69234 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.
What products are affected by CVE-2025-69234? +
CVE-2025-69234 affects products from navercorp, specifically: whale. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-69234? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-12577

DVP80ES3 with Improperly Implemented Security Check for Standard vulnerability.
CVE-2026-48797

Backpropagate is a Python library for fine-tuning large language models on a single GPU. In versions 1.1.0 and 1.1.1, the …
CVE-2024-12056

The Client secret is not checked when using the OAuth Password grant type. By exploiting this vulnerability, an attacker could …
CVE-2026-54431

In liboauth2 the Demonstrating Proof-of-Possession (DPoP) verifier accepts a proof whose JSON Web Key (jwk) header contains private key material. …
CVE-2026-40597

Mantis Bug Tracker (MantisBT) is an open source issue tracker. In versions 2.28.1 and below, given any pre-existing XSS / …
CVE-2025-62583 9.8

Whale Browser before 4.33.325.17 allows an attacker to escape the iframe sandbox in a dual-tab environment.

Don't wait for an exploit

Scan your website for vulnerabilities like CVE-2025-69234 — free, no signup required.

Start Free Scan