Skip to main content
Public proof of conceptFix available

CVE-2022-25918

A public proof of concept exists; no exploitation attested.

  • Published2022-10-27
  • Fixed in1.6.1
  • WeaknessCWE-1333

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The package shescape from 1.5.10 and before 1.6.1 are vulnerable to Regular Expression Denial of Service (ReDoS) via the escape function in index.js, due to the usage of insecure regex in the escapeArgBash function.

Timeline

dates in UTC
  1. 2022-10-2710:15CVE publishedNVD

Versions per branch

OSV · NVD
shescape
BranchAffectedFixed in
1.x≥ 1.5.10, < 1.6.11.6.1
Shescape project shescape
BranchAffectedFixed in
1.5= 1.5.10no fix published
1.6= 1.6.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As snyk, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • shescape
    Affected
    • = 1.5.10no fix statedcustom
    • < 1.6.1fixed in 1.6.1custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2022-10-27

Fix

  1. Update shescape to 1.6.1

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CISA-ADPSSVC decisionpoc2025-05-05
  • CNACVSS 3.15.3known since 2026-10-23
  • NVDCVSS 3.17.5read 2026-10-23
  • CISA-ADPweakness (CWE)CWE-13332025-05-05
  • NVDweakness (CWE)CWE-1333read 2026-10-23
  • FIRST EPSSEPSS score1.6 %2026-11-08
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryHIGH2022-10-25

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2022-10-27
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-cr84-xvw4-qx3c

Frequently asked questions

What is CVE-2022-25918?

The package shescape from 1.5.10 and before 1.6.1 are vulnerable to Regular Expression Denial of Service (ReDoS) via the escape function in index.js, due to the usage of insecure regex in the escapeArgBash function.

Is CVE-2022-25918 actively exploited?

A proof-of-concept exploit exists for CVE-2022-25918, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2022-25918?

CVE-2022-25918 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Running shescape? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

No credit card required · No monthly cap on website lookups · 250 API requests/month

Sources for this record