hostr is a simple web server that serves up the contents of the current directory
Published Jun 4, 2018
7.5
HIGHCVSS 3.0
EPSS 1.82%
Description
hostr is a simple web server that serves up the contents of the current directory. There is a directory traversal vulnerability in hostr 2.3.5 and earlier that allows an attacker to read files outside the current directory by sending `../` in the url path for GET requests.
Affected products
-
- Version <=2.3.5StatusaffectedConstraints-
- 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 | Hostr Node Module | n/a |
|
- ≤ 2.3.5
No data.
No Red Hat product state for this CVE.
hostr
npm
Introduced 0 Fixed 2.3.6
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | hostr | 0 | 2.3.6 |
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:N/S:U/C:H/I:N/A:N
AV:N/AC:L/Au:N/C:P/I:N/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 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.82% (0.01825) | 78.05th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.82% (0.01825) | 75.93th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.57% (0.00573) | 66.78th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.19% (0.00190) | 57.74th | v3 (v2023.03.01) |
| Oct 26, 2023 | 0.19% (0.00190) | 56.33th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.17% (0.00170) | 52.28th | v3 (v2023.03.01) |
| Mar 6, 2023 | 10.85% (0.10855) | 94.70th | v2 (v2022.01.01) |
| Apr 1, 2022 | 10.85% (0.10855) | 94.26th | v2 (v2022.01.01) |
| Feb 4, 2022 | 10.85% (0.10855) | 88.34th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.91% (0.02909) | 64.88th | v1 |
| Jan 6, 2022 | 2.91% (0.02909) | 64.55th | v1 |
| Sep 1, 2021 | 2.91% (0.02909) | 80.94th | v1 |
| Apr 14, 2021 | 2.91% (0.02909) | 0.00th | v1 |
References (6)
- https://github.com/advisories/GHSA-xqqr-p362-6rmc Advisory
- https://github.com/henrytseng/hostr/issues/8 x_refsource_MISCIssue TrackingThird Party Advisory
- https://github.com/henrytseng/hostr/issues/8)
- https://nodesecurity.io/advisories/303 x_refsource_MISCThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-16029
- https://www.npmjs.com/advisories/303
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-xqqr-p362-6rmc | Advisory | |
| https://github.com/henrytseng/hostr/issues/8 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://github.com/henrytseng/hostr/issues/8) | ||
| https://nodesecurity.io/advisories/303 | x_refsource_MISCThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-16029 | ||
| https://www.npmjs.com/advisories/303 |
Change history (0)
No recorded changes yet.