A flaw in the way URLs are escaped and encoded in the org.apache.sling.xss.impl.XSSAPIImpl#getValidHref and org.apache.sling.xss.impl.XSSFilterImpl#isValidHref allows special crafted URLs to pass as valid, although they carry XSS payloads
Published Jan 10, 2018
6.1
MEDIUMCVSS 3.0
EPSS 2.91%
Description
A flaw in the way URLs are escaped and encoded in the org.apache.sling.xss.impl.XSSAPIImpl#getValidHref and org.apache.sling.xss.impl.XSSFilterImpl#isValidHref allows special crafted URLs to pass as valid, although they carry XSS payloads. The affected versions are Apache Sling XSS Protection API 1.0.4 to 1.0.18, Apache Sling XSS Protection API Compat 1.1.0 and Apache Sling XSS Protection API 2.0.0.
Affected products
-
- Version XSS Protection API 1.0.4 to 1.0.18StatusaffectedConstraints-
- Version XSS Protection API 2.0.0StatusaffectedConstraints-
- Version XSS Protection API Compat 1.1.0StatusaffectedConstraints-
- 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 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache Sling | n/a |
|
- > 1.0.4 · ≤ 1.0.18
- 2.0.0
- 1.1.0
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:C/C:L/I:L/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 v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.91% (0.02910) | 86.51th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.96% (0.02965) | 85.41th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.19% (0.01185) | 77.32th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.21% (0.00212) | 60.14th | v3 (v2023.03.01) |
| Nov 20, 2023 | 0.19% (0.00188) | 56.22th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.19% (0.00186) | 54.08th | 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) |
| Feb 3, 2022 | 1.24% (0.01241) | 30.13th | v1 |
| Jan 6, 2022 | 1.24% (0.01241) | 29.49th | v1 |
| Sep 1, 2021 | 1.24% (0.01241) | 67.45th | v1 |
| Apr 14, 2021 | 1.24% (0.01241) | 0.00th | v1 |
References (3)
- https://github.com/advisories/GHSA-7mfw-43c4-45mq Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-15717
- https://s.apache.org/CVE-2017-15717 mailing-listx_refsource_MLISTVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-7mfw-43c4-45mq | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-15717 | ||
| https://s.apache.org/CVE-2017-15717 | mailing-listx_refsource_MLISTVendor Advisory |
Change history (0)
No recorded changes yet.