Metrics
Affected Vendors & Products
Mon, 19 Oct 2026 18:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mozilla thunderbird
|
|
| CPEs | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* |
|
| Vendors & Products |
Mozilla thunderbird
|
Thu, 01 Oct 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-200 CWE-285 |
Thu, 01 Oct 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Thu, 01 Oct 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-346 | |
| Metrics |
cvssV3_1
|
Thu, 01 Oct 2026 02:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-200 CWE-285 |
Thu, 01 Oct 2026 00:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-250 CWE-284 |
Wed, 30 Sep 2026 17:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Same-origin policy bypass in the WebExtensions component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17. | Same-origin policy bypass in the WebExtensions component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17. |
| References |
|
Wed, 30 Sep 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Same-origin policy bypass in the WebExtensions component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17. | Same-origin policy bypass in the WebExtensions component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17. |
| References |
|
Wed, 30 Sep 2026 08:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-250 CWE-284 |
Wed, 30 Sep 2026 03:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-200 |
Tue, 29 Sep 2026 16:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-200 |
Tue, 29 Sep 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mozilla
Mozilla firefox |
|
| Vendors & Products |
Mozilla
Mozilla firefox |
Tue, 29 Sep 2026 13:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Same-origin policy bypass in the WebExtensions component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17. | |
| Title | Same-origin policy bypass in the WebExtensions component | |
| References |
|
Status: PUBLISHED
Assigner: mozilla
Published: 2026-09-29T12:36:20.195Z
Updated: 2026-10-01T15:16:27.751Z
Reserved: 2026-09-26T19:17:51.124Z
Link: CVE-2026-100803
Updated: 2026-10-01T15:15:31.755Z
Status : Analyzed
Published: 2026-09-29T13:17:45.390
Modified: 2026-10-19T17:47:25.023
Link: CVE-2026-100803
No data.