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CVE-2021-30862

19
FAUCET Score

CVE-2021-30862 is a validation issue in Apple iTunes U, versions prior to 3.8.3, that could allow arbitrary JavaScript code execution. This vulnerability arises from insufficient input sanitization, enabling an attacker to execute malicious code by tricking a user into processing a specially crafted URL. With a CVSS score of 6.1 (Medium), exploitation requires user interaction and network access, potentially leading to limited confidentiality and integrity impacts. There is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.8CPE match
cpe:2.3:a:apple:itunes_u:*:*:*:*:*:*:*:*
< 3.8.3CPE matchmatch criteria
cpe:2.3:a:apple:itunes_u:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.80%
Probability of exploitation in next 30 days
EPSS Percentile
76.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0180 is in the 88th percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

support.apple.com / en-us/HT212809