How severe is CVE-2023-23636?

CVE-2023-23636 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-23636 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-23636?

CVE-2023-23636 affects Jellyfin. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-23636?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-23636 published?

CVE-2023-23636 was published on 2023-02-03 and last updated on 2026-06-17.

CVE-2023-23636

CVE-2023-23636 is a medium-severity vulnerability in Jellyfin with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Jellyfin
Published: 2023-02-03
Last modified: 2026-06-17

Description

In Jellyfin 10.8.x through 10.8.3, the name of a playlist is vulnerable to stored XSS. This allows an attacker to steal access tokens from the localStorage of the victim.

Frequently asked questions

What is CVE-2023-23636?: In Jellyfin 10.8.x through 10.8.3, the name of a playlist is vulnerable to stored XSS. This allows an attacker to steal access tokens from the localStorage of the victim.
How severe is CVE-2023-23636?: CVE-2023-23636 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-23636 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-23636?: CVE-2023-23636 affects Jellyfin. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-23636?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-23636 published?: CVE-2023-23636 was published on 2023-02-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jellyfin:jellyfin:*:*:*:*:*:*:*:*

More vulnerabilities in Jellyfin

CVE-2026-31852 — Critical (CVSS 10.0): Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios is…
CVE-2026-35031 — Critical (CVSS 9.9): Jellyfin is an open source self hosted media server. Versions prior to 10.11.7 contain a vulnerability chain in the…
CVE-2026-35033 — Critical (CVSS 9.1): Jellyfin is an open source self hosted media server. Versions prior to 10.11.7 contain an unauthenticated arbitrary…
CVE-2023-30627 — Critical (CVSS 9.0): jellyfin-web is the web client for Jellyfin, a free-software media system. Starting in version 10.1.0 and prior to…
CVE-2025-31499 — High (CVSS 8.8): Jellyfin is an open source self hosted media server. Versions before 10.10.7 are vulnerable to argument injection in…
CVE-2023-30626 — High (CVSS 8.8): Jellyfin is a free-software media system. Versions starting with 10.8.0 and prior to 10.8.10 and prior have a directory…

All CVEs affecting Jellyfin →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →