Cross-site scripting in Apache Sling
Priority LOW 31CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Scripts in Sling CMS before 0.16.0 do not property escape the Sling Selector from URLs when generating navigational elements for the administrative consoles and are vulnerable to reflected XSS attacks.
Why it matters now
EPSS 0.01965 80th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Apache Sling | Apache Sling CMS 0.14.0 and previous releases | — | No fix listed | CNA |
- Apache Sling Vendor— Affected Apache Sling CMS 0.14.0 and previous releases Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-1949
- 2026-10-03 Alias added: GHSA-2r68-qm7v-72rg
References
Advisory 1
More Apache Sling Cms vulnerabilities
- TI-2023-09003 Apache Sling App CMS: XSS in CMS Reference / UI Components CVSS 3.1MEDIUM 6.1
- TI-2022-21433 XSS in Sling CMS Reference App Taxonomy Path CVSS 3.1MEDIUM 5.4
- TI-2022-23127 Apache Sling App CMS: XSS in CMS Site Group Detail CVSS 3.1MEDIUM 5.4
Sources
- CVE-2020-1949 · CVE Program
- CVE-2020-1949 · NVD
- FIRST EPSS
- GHSA-2r68-qm7v-72rg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences