CVE-2021-23388
Regular Expression Denial of Service (ReDoS)
MEDIUM
5.3
CVSS Score
Published: May 31, 2021 at 01:50 PM UTC
Updated: June 17, 2026 at 03:38 AM UTC
1 product affected across 1 vendorForms
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Severity
MEDIUM5.3
Exploit prediction
EPSS 2%
Description
The package forms before 1.2.1, from 1.3.0 and before 1.3.2 are vulnerable to Regular Expression Denial of Service (ReDoS) via email validation.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
95%
Affected range stops below 1.2.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.3.2, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/caolan/forms/pull/214x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/caolan/forms/pull/214/commits/d4bd5b5febfe49c1f585f162e04ec810f8dc47a0x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://snyk.io/vuln/SNYK-JS-FORMS-1296389CVSS
5.3MEDIUMsnyk
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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