Redirection from an HTTP connection to a "data:" URL assigns the referring site's origin to the "data:" URL in some circumstances
Published Jun 11, 2018
8.8
HIGHCVSS 3.0
EPSS 1.86%
Description
Redirection from an HTTP connection to a "data:" URL assigns the referring site's origin to the "data:" URL in some circumstances. This can result in same-origin violations against a domain if it loads resources from malicious sites. Cross-origin setting of cookies has been demonstrated without the ability to read them. Note: This issue only affects Firefox 49 and 50. This vulnerability affects Firefox < 50.0.1.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<50.0.1
- Version
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.86% (0.01860) | 78.46th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.88% (0.01884) | 76.71th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.75% (0.00751) | 71.43th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.58% (0.00578) | 78.77th | v3 (v2023.03.01) |
| Apr 3, 2024 | 0.58% (0.00578) | 77.64th | v3 (v2023.03.01) |
| Nov 2, 2023 | 0.58% (0.00578) | 75.63th | v3 (v2023.03.01) |
| Jun 5, 2023 | 0.61% (0.00614) | 75.70th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.67% (0.00668) | 76.58th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (4)
- http://www.securityfocus.com/bid/94569 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037353 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1317641 x_refsource_CONFIRMExploitIssue TrackingPatchVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2016-91/ x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/94569 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1037353 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1317641 | x_refsource_CONFIRMExploitIssue TrackingPatchVendor Advisory | |
| https://www.mozilla.org/security/advisories/mfsa2016-91/ | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.