What is CVE-2025-57326?

CVE-2025-57326 is a high-severity vulnerability in Sassdoc Sassdoc-Extras, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.5/10. Published 2025-09-24.

How severe is CVE-2025-57326?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2025-57326 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Prototype Pollution in Sassdoc Sassdoc-Extras

CVE-2025-57326

A Prototype Pollution vulnerability in the byGroupAndType function of sassdoc-extras v2.5.1 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.

Vulnerability class: Prototype Pollution

EPSS: 0.004 (31.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Sassdoc Sassdoc-extras
N/a — versions n/a

Weakness classification (CWE)

CWE-1321 — Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Broken Link)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2025-57326?: CVE-2025-57326 is a high-severity vulnerability in Sassdoc Sassdoc-Extras, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.5/10. Published 2025-09-24.
How severe is CVE-2025-57326?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-57326 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.