CVE-2023-23635
Jellyfin Web Cross-Site Scripting (XSS) via Collection Name
In Jellyfin 10.8.x through 10.8.3, the name of a collection is vulnerable to stored XSS. This allows an attacker to steal access tokens from the localStorage of the victim.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
5.4
In Jellyfin 10.8.x through 10.8.3, the name of a collection is vulnerable to stored XSS. This allows an attacker to steal access tokens from the localStorage of the victim.
- Record
CVE-2023-23635- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List
5.4
In Jellyfin 10.8.x through 10.8.3, the name of a collection is vulnerable to stored XSS. This allows an attacker to steal access tokens from the localStorage of the victim.
- Record
CVE-2023-23635- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2023-27723
5.4
In Jellyfin 10.8.x through 10.8.3, the name of a collection is vulnerable to stored XSS. This allows an attacker to steal access tokens from the localStorage of the victim.
- Record
EUVD-2023-27723- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-749c-pc87-4qcw
5.4
Jellyfin Web Cross-Site Scripting (XSS) via Collection Name
In Jellyfin 10.8.x through 10.8.3, the name of a collection is vulnerable to stored XSS. This allows an attacker to steal access tokens from the localStorage of the victim.
- Record
GHSA-749c-pc87-4qcw- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
5.4
In Jellyfin 10.8.x through 10.8.3, the name of a collection is vulnerable to stored XSS. This allows an attacker to steal access tokens from the localStorage of the victim.
- Record
CVE-2023-23635- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-749c-pc87-4qcw
5.4
Jellyfin Web Cross-Site Scripting (XSS) via Collection Name
In Jellyfin 10.8.x through 10.8.3, the name of a collection is vulnerable to stored XSS. This allows an attacker to steal access tokens from the localStorage of the victim.
- Record
GHSA-749c-pc87-4qcw- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
jellyfin-webnpm |
10.8.0 up to 10.8.4 | 10.8.4 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-23635 is a medium vulnerability (CVSS 5.4) in Jellyfin, published February 3, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 46th percentile. Fixed in jellyfin-web 10.8.4.
References
herolab.usd.de/security-advisories
github.com/jellyfin/jellyfin-web/issues/3788
herolab.usd.de/security-advisories/usd-2022-0031
nvd.nist.gov/vuln/detail/CVE-2023-23635
github.com/jellyfin/jellyfin-web/pull/3789
github.com/jellyfin/jellyfin/releases/tag/v10.8.4
github.com/advisories/GHSA-749c-pc87-4qcw
github.com/CVEProject/cvelistV5/tree/main/cves/2023/23xxx/CVE-2023-23635.json
github.com/jellyfin/jellyfin-web