A bypass vulnerability in Active Storage >= 5.2.0 for Google Cloud Storage and Disk services allow an attacker to modify the `content-disposition` and `content-type` parameters which can be used in with HTML files and have them executed inline
Published Nov 30, 2018
6.5
MEDIUMCVSS 3.0
EPSS 1.31%
Description
A bypass vulnerability in Active Storage >= 5.2.0 for Google Cloud Storage and Disk services allow an attacker to modify the `content-disposition` and `content-type` parameters which can be used in with HTML files and have them executed inline. Additionally, if combined with other techniques such as cookie bombing and specially crafted AppCache manifests, an attacker can gain access to private signed URLs within a specific storage path. This vulnerability has been fixed in version 5.2.1.1.
Affected products
No data.
- ≥ 5.2.0 · < 5.2.1.1
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:N/I:H/A:N
AV:N/AC:M/Au:N/C:N/I:P/A:N
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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.31% (0.01311) | 69.60th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.31% (0.01311) | 69.38th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.08% (0.00083) | 35.96th | v3 (v2023.03.01) |
| Jun 21, 2024 | 0.08% (0.00083) | 35.71th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00083) | 33.68th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (4)
- https://github.com/advisories/GHSA-7rr7-rcjw-56vj Advisory
- https://groups.google.com/d/msg/rubyonrails-security/3KQRnXDIuLg/mByx5KkqBAAJ x_refsource_MISCExploitMailing ListMitigationThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-16477
- https://weblog.rubyonrails.org/2018/11/27/Rails-4-2-5-0-5-1-5-2-have-been-released/ x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-7rr7-rcjw-56vj | Advisory | |
| https://groups.google.com/d/msg/rubyonrails-security/3KQRnXDIuLg/mByx5KkqBAAJ | x_refsource_MISCExploitMailing ListMitigationThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-16477 | ||
| https://weblog.rubyonrails.org/2018/11/27/Rails-4-2-5-0-5-1-5-2-have-been-released/ | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.