CVE-2026-81267
published 2026-08-31CVE-2026-81267: A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to…
PriorityP424medium5.4CVSS 3.1
AVNACLPRNUIRSUCLINAL
EPSS
0.26%
17.2th percentile
A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 155.0.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| mozilla | firefox_for_ios | < Firefox for iOS 155 | Firefox for iOS 155 |
| mozilla | firefox_mobile | < 155.0 | 155.0 |
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Mozilla
Mozilla Foundation Security Advisory 2026-81: CVE-2026-81267
vendor_mozilla·CVSS 5.4
CVE-2026-81267 [MEDIUM] Mozilla Foundation Security Advisory 2026-81: CVE-2026-81267
Mozilla Foundation Security Advisory 2026-81
CVE: CVE-2026-81267
Product: Firefox for iOS
Impact: moderate
Fixed in: Firefox for iOS 155
VulDB
Mozilla Firefox for iOS up to 154.x cross-domain policy
vuldb·2026-08-31·CVSS 5.4
CVE-2026-81267 [MEDIUM] Mozilla Firefox for iOS up to 154.x cross-domain policy
A vulnerability identified as problematic has been detected in Mozilla Firefox for iOS up to 154.x. This affects an unknown function. The manipulation leads to permissive cross-domain policy with untrusted domains.
This vulnerability is uniquely identified as CVE-2026-81267. The attack is possible to be carried out remotely. No exploit exists.
You should upgrade the affected component.
GHSA
A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content.
ghsa_unreviewed·2026-08-31
CVE-2026-81267 [MEDIUM] CWE-451 A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content.
A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 155.0.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-08-31
Published