How severe is CVE-2022-25758?

CVE-2022-25758 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2022-25758 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-25758?

CVE-2022-25758 affects Scss-tokenizer Project Scss-tokenizer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-25758?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-25758 published?

CVE-2022-25758 was published on 2022-07-01 and last updated on 2026-06-17.

CVE-2022-25758

CVE-2022-25758 is a medium-severity vulnerability in Scss-tokenizer Project Scss-tokenizer with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1333.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1333
Affected product: Scss-tokenizer Project Scss-tokenizer
Published: 2022-07-01
Last modified: 2026-06-17

Description

All versions of package scss-tokenizer are vulnerable to Regular Expression Denial of Service (ReDoS) via the loadAnnotation() function, due to the usage of insecure regex.

Frequently asked questions

What is CVE-2022-25758?: All versions of package scss-tokenizer are vulnerable to Regular Expression Denial of Service (ReDoS) via the loadAnnotation() function, due to the usage of insecure regex.
How severe is CVE-2022-25758?: CVE-2022-25758 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2022-25758 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-25758?: CVE-2022-25758 affects Scss-tokenizer Project Scss-tokenizer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-25758?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-25758 published?: CVE-2022-25758 was published on 2022-07-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:scss-tokenizer_project:scss-tokenizer:*:*:*:*:*:node.js:*:*

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