CVE-2021-40893
A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in validate-data v0.1.1 when validating crafted invalid emails.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in validate-data v0.1.1 when validating crafted invalid emails.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.26% probability · 69th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-1333
- Affected
- validate data project/validate data
- Source
- cve@mitre.org
EPSS 1.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/yetingli/SaveResults/blob/main/js/validate-data.jsExploit, Third Party Advisory
- https://github.com/yetingli/SaveResults/blob/main/js/validate-data.jsExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.