backbone is a module that adds in structure to a JavaScript heavy application through key-value pairs and custom events connecting to your RESTful API through JSON There exists a potential Cross Site Scripting vulnerability in the `Model#Escape` function of backbone 0.3.3 and earlier, if a user is able to supply input
Published May 31, 2018
5.4
MEDIUMCVSS 3.0
EPSS 0.69%
Description
backbone is a module that adds in structure to a JavaScript heavy application through key-value pairs and custom events connecting to your RESTful API through JSON There exists a potential Cross Site Scripting vulnerability in the `Model#Escape` function of backbone 0.3.3 and earlier, if a user is able to supply input. This is due to the regex that's replacing things to miss the conversion of things such as `<` to `<`.
Affected products
-
- Version <= 0.3.3StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| HackerOne | Backbone Node Module | n/a |
|
- ≤ 0.3.3
No data.
No Red Hat product state for this CVE.
backbone
npm
Introduced 0.3.3 Fixed 0.5.0
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | backbone | 0.3.3 | 0.5.0 |
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:L/UI:R/S:C/C:L/I:L/A:N
AV:N/AC:M/Au:S/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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.69% (0.00686) | 50.89th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.69% (0.00686) | 47.63th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.19% (0.00191) | 38.90th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.05% (0.00049) | 20.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00050) | 17.09th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
References (8)
- https://backbonejs.org/#changelog
- https://github.com/advisories/GHSA-j6p2-cx3w-6jcp Advisory
- https://github.com/jashkenas/backbone/blame/0cdc525961d3fa98e810ffae6bcc8e3838e36d93/backbone.js
- https://github.com/jashkenas/backbone/commit/0cdc525961d3fa98e810ffae6bcc8e3838e36d93
- https://github.com/jashkenas/backbone/commit/7ae0384120c2552e1c426cda7fb02fdce6ef1076
- https://github.com/jashkenas/backbone/compare/0.3.3...0.5.0#diff-0d56d0d310de7ff18b3cef9c2f8f75dcL1008 x_refsource_MISCIssue TrackingThird Party Advisory
- https://nodesecurity.io/advisories/108 x_refsource_MISCThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-10537
Change history (0)
No recorded changes yet.