CVE-2023-26133
CVSS v3
9.8
CRITICAL
EPSS Score
1.3 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
All versions of the package progressbar.js are vulnerable to Prototype Pollution via the function extend() in the file utils.js.
Technical details
- Published
- 2023-06-12
Frequently asked questions
What is CVE-2023-26133?
All versions of the package progressbar.js are vulnerable to Prototype Pollution via the function extend() in the file utils.js.
Is CVE-2023-26133 actively exploited?
Active exploitation of CVE-2023-26133 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2023-26133?
CVE-2023-26133 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2023-26133 affecting your environment?
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