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2 vulnerabilities found for telejson by storybookjs

CVE-2026-47099 (GCVE-0-2026-47099)

Vulnerability from nvd – Published: 2026-05-20 18:00 – Updated: 2026-05-21 14:14 X_Open Source
VLAI
Title
TeleJSON < 6.0.0 DOM-based XSS via parse() Function
Summary
TeleJSON prior to 6.0.0 contains a DOM-based cross-site scripting vulnerability in the parse() function that allows attackers to execute arbitrary JavaScript by delivering a crafted JSON payload containing a malicious _constructor-name_ property value. The custom reviver passes the constructor name directly to new Function() without sanitization when recreating object prototypes, enabling attackers to inject arbitrary JavaScript through vectors such as postMessage in cross-frame communication contexts to achieve script execution within the application.
Severity
2.1 (Low)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
Vendor Product Version
storybookjs telejson Affected: 0 , < 6.0.0 (semver)
Create a notification for this product.
Date Public
2026-04-01 00:00
Credits
Niccolò Parlanti
Show details on NVD website
To clipboard 

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CVE-2026-47099 (GCVE-0-2026-47099)

Vulnerability from cvelistv5 – Published: 2026-05-20 18:00 – Updated: 2026-05-21 14:14 X_Open Source
VLAI
Title
TeleJSON < 6.0.0 DOM-based XSS via parse() Function
Summary
TeleJSON prior to 6.0.0 contains a DOM-based cross-site scripting vulnerability in the parse() function that allows attackers to execute arbitrary JavaScript by delivering a crafted JSON payload containing a malicious _constructor-name_ property value. The custom reviver passes the constructor name directly to new Function() without sanitization when recreating object prototypes, enabling attackers to inject arbitrary JavaScript through vectors such as postMessage in cross-frame communication contexts to achieve script execution within the application.
Severity
2.1 (Low)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
Vendor Product Version
storybookjs telejson Affected: 0 , < 6.0.0 (semver)
Create a notification for this product.
Date Public
2026-04-01 00:00
Credits
Niccolò Parlanti
Show details on NVD website
To clipboard 

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