CVE-2023-26133
progressbar.js vulnerable to Prototype Pollution
All versions of the package progressbar.js are vulnerable to Prototype Pollution via the function extend() in the file utils.js.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
All versions of the package progressbar.js are vulnerable to Prototype Pollution via the function extend() in the file utils.js.
- Record
CVE-2023-26133- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L/E:P - Weakness
- CWE-1321, CWE-1321
- Updated
- 2026-11-02
EUVDEUVD-2023-1747
All versions of the package progressbar.js are vulnerable to Prototype Pollution via the function extend() in the file utils.js.
- Record
EUVD-2023-1747- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L/E:P - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-89qm-hm2x-mxm3
progressbar.js vulnerable to Prototype Pollution
All versions of the package progressbar.js prior to 1.1.1 are vulnerable to Prototype Pollution via the function extend() in the file utils.js.
- Record
GHSA-89qm-hm2x-mxm3- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L - Weakness
- CWE-1321
- Updated
- 2026-11-02
NVD
All versions of the package progressbar.js are vulnerable to Prototype Pollution via the function extend() in the file utils.js.
- Record
CVE-2023-26133- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-02
OSVGHSA-89qm-hm2x-mxm3
progressbar.js vulnerable to Prototype Pollution
All versions of the package progressbar.js prior to 1.1.1 are vulnerable to Prototype Pollution via the function extend() in the file utils.js.
- Record
GHSA-89qm-hm2x-mxm3- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L - Weakness
- CWE-1321
- Updated
- 2026-11-02
OSVROOT-APP-NPM-CVE-2023-26133 No score
CVE-2023-26133 in progressbar.js - Patched by Root
Root has patched CVE-2023-26133 in the progressbar.js package for Root:npm. Multiple fixed versions available.
- Record
ROOT-APP-NPM-CVE-2023-26133- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
progressbar.jsnpm |
before 1.1.1 | 1.1.1 |
progressbar.jsRoot:npm |
before 1.1.0-aikido.4 | 1.1.0-aikido.4 |
@rootio/progressbar.jsRoot:npm |
before 1.1.0-root.io.4 | 1.1.0-root.io.4 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-26133 is a high vulnerability (CVSS 8.2) in Progressbar.js Project Progressbar.js, published June 12, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.26%, the 69th percentile. Fixed in progressbar.js 1.1.1.
References
security.snyk.io/vuln/SNYK-JS-PROGRESSBARJS-3184152
github.com/kimmobrunfeldt/progressbar.js/blob/74536b9eeeaaf51144706d918ed5a0a679631d96/src/utils.js%23L20
nvd.nist.gov/vuln/detail/CVE-2023-26133