CVE-2026-117860
published 2026-10-27CVE-2026-117860: Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird…
PriorityP425
EPSS
0.19%
8.7th percentile
Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| mozilla | firefox | < Firefox 159 | Firefox 159 |
| mozilla | firefox_esr | < Firefox ESR 153.6 | Firefox ESR 153.6 |
| mozilla | thunderbird | < Thunderbird 159 | Thunderbird 159 |
| mozilla | thunderbird | < Thunderbird 153.6 | Thunderbird 153.6 |
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VulDB
Mozilla Firefox up to 153.5/158 Navigation cross-domain policy (Nessus ID 372631)
vuldb·2026-10-28
CVE-2026-117860 [LOW] Mozilla Firefox up to 153.5/158 Navigation cross-domain policy (Nessus ID 372631)
A vulnerability has been found in Mozilla Firefox up to 153.5/158 and classified as problematic. This impacts an unknown function of the component Navigation Component. Performing a manipulation results in permissive cross-domain policy with untrusted domains.
This vulnerability is reported as CVE-2026-117860. The attack is possible to be carried out remotely. No exploit exists.
The affected component should be upgraded.
GHSA
Same-origin policy bypass in the DOM: Navigation component.
ghsa_unreviewed·2026-10-27
CVE-2026-117860 Same-origin policy bypass in the DOM: Navigation component.
Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.
Mozilla
Mozilla Foundation Security Advisory 2026-120: CVE-2026-117860
vendor_mozilla
CVE-2026-117860 Mozilla Foundation Security Advisory 2026-120: CVE-2026-117860
Mozilla Foundation Security Advisory 2026-120
CVE: CVE-2026-117860
Product: Firefox ESR
Impact: low
Fixed in: Firefox ESR 153.6
Mozilla
Mozilla Foundation Security Advisory 2026-118: CVE-2026-117860
vendor_mozilla
CVE-2026-117860 Mozilla Foundation Security Advisory 2026-118: CVE-2026-117860
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-117860
Product: Firefox
Impact: low
Fixed in: Firefox 159
Mozilla
Mozilla Foundation Security Advisory 2026-121: CVE-2026-117860
vendor_mozilla
CVE-2026-117860 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117860
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117860
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
Mozilla
Mozilla Foundation Security Advisory 2026-122: CVE-2026-117860
vendor_mozilla
CVE-2026-117860 Mozilla Foundation Security Advisory 2026-122: CVE-2026-117860
Mozilla Foundation Security Advisory 2026-122
CVE: CVE-2026-117860
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.6
No detection rules found.
No public exploits indexed.
2026-10-27
Published