In the XSS Protection API module before 1.0.12 in Apache Sling, the encoding done by the XSSAPI.encodeForJSString() method is not restrictive enough and for some input patterns allows script tags to pass through unencoded, leading to potential XSS vulnerabilities
Published Jul 19, 2017
6.1
MEDIUMCVSS 3.1
EPSS 2.60%
Description
In the XSS Protection API module before 1.0.12 in Apache Sling, the encoding done by the XSSAPI.encodeForJSString() method is not restrictive enough and for some input patterns allows script tags to pass through unencoded, leading to potential XSS vulnerabilities.
Affected products
-
- Version prior to 1.0.12StatusaffectedConstraints-
- 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 |
|
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
No CVSS v3.0 score for this CVE.
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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.60% (0.02604) | 84.82th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.60% (0.02604) | 83.30th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.09% (0.01094) | 75.98th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.18% (0.04181) | 80.84th | v4 (v2025.03.14) |
| Mar 28, 2025 | 1.09% (0.01094) | 75.98th | v4 (v2025.03.14) |
| Mar 27, 2025 | 4.18% (0.04181) | 87.18th | v4 (v2025.03.14) |
| Mar 20, 2025 | 1.09% (0.01094) | 76.06th | v4 (v2025.03.14) |
| Mar 19, 2025 | 4.18% (0.04181) | 87.33th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.09% (0.01094) | 76.43th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.07% (0.00070) | 32.51th | v3 (v2023.03.01) |
| May 22, 2024 | 0.07% (0.00070) | 30.17th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.07% (0.00069) | 28.05th | 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 (7)
- http://www.securityfocus.com/bid/99870 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://github.com/advisories/GHSA-xwf4-88xr-hx2j Advisory
- https://github.com/apache/sling-org-apache-sling-xss/commit/de32b144ad2be3367559f6184d560db42a220529
- https://github.com/jensdietrich/xshady-release/tree/main/CVE-2016-5394
- https://lists.apache.org/thread.html/332166037a54b97cf41e2b616aaed38439de94b19b204841478e4525%40%3Cdev.sling.apache.org%3E x_refsource_MISC
- https://lists.apache.org/thread.html/332166037a54b97cf41e2b616aaed38439de94b19b204841478e4525@%3Cdev.sling.apache.org%3E
- https://nvd.nist.gov/vuln/detail/CVE-2016-5394
Change history (0)
No recorded changes yet.