Cross-site scripting in Nextcloud Server
Priority LOW 24CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- 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
Improper neutralization of file names, conversation names and board names in Nextcloud Server 16.0.3, Nextcloud Talk 6.0.3 and Nextcloud Deck 0.6.5 causes an XSS when linking them with each others in a project.
Why it matters now
EPSS 0.0084 58th 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 |
|---|---|---|---|---|---|
| — | Nextcloud Server | 16.0.4 | — | No fix listed | CNA |
- Nextcloud Server Vendor— Affected 16.0.4 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-15619
- 2026-10-03 Alias added: GHSA-mvc5-w9jr-jvqm
References
More nextcloud Deck vulnerabilities
- TI-2023-08718 Nextcloud Deck card vulnerable to data leak to unauthorized users via reference preview cache CVSS 3.1MEDIUM 5.8
- TI-2022-11703 Possibility for anyone to add a stack with existing tasks on anyone's board in Nextcloud Deck CVSS 3.1MEDIUM 5.0
- TI-2022-08716 Error in deleting deck cards attachment reveals the full application path in Nextcloud Deck CVSS 3.1MEDIUM 4.3
- TI-2021-16610 Missing permission check on Deck API CVSS 3.1HIGH 8.1
- TI-2020-06600 Improper access control in Nextcloud Deck CVSS 3.1HIGH 8.0
- TI-2021-05774 Information disclosure in Nextcloud Deck CVSS 3.1MEDIUM 6.5
Sources
- CVE-2019-15619 · CVE Program
- CVE-2019-15619 · NVD
- FIRST EPSS
- GHSA-mvc5-w9jr-jvqm · 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