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VulnerabilityPublished Updated

CVE-2024-30931: Emby Media Server Emby Media Server · Stored Cross Site Scripting

Source CVE Database V5

0

Not known to be exploited · CVSS 6.1 Medium.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
6.1Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 24% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 Jun 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

To mitigate CVE-2024-30931, organizations should implement the following specific measures: 1) Restrict access to the Emby Media Server interface to trusted users and networks, using network segmentation and firewall rules to limit exposure. 2) Disable or restrict the notifications feature if it is not essential, reducing the attack surface. 3) Monitor and audit notifications content for suspicious or unexpected entries that could indicate attempted exploitation. 4) Employ Content Security Policy (CSP) headers to limit the execution of unauthorized scripts in the browser context. 5) Educate users to avoid interacting with suspicious notifications or links within the Emby interface. 6) Regularly check for official patches or updates from Emby and apply them promptly once available. 7) Consider deploying Web Application Firewalls (WAFs) with rules to detect and block XSS payloads targeting the notifications component. 8) Conduct internal code reviews and penetration testing focused on input validation and output encoding in the notifications.html component to identify and remediate similar issues proactively.

Description

Stored Cross Site Scripting vulnerability in Emby Media Server Emby Media Server 4.8.3.0 allows a remote attacker to escalate privileges via the notifications.html component.

References

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