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CVE-2021-23416

Cross-site Scripting (XSS)

5.4 Medium

This affects all versions of package curly-bracket-parser. When used as a template library, it does not properly sanitize the user input.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

0.79%Up 0.2 points since Jul 29, 2021
90%50%10%1%

What each source reports

CVE List Score used 5.4

Cross-site Scripting (XSS)

This affects all versions of package curly-bracket-parser. When used as a template library, it does not properly sanitize the user input.

Record
CVE-2021-23416
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P
Updated
2026-11-02
EUVDEUVD-2021-1875 5.4

This affects all versions of package curly-bracket-parser. When used as a template library, it does not properly sanitize the user input.

Record
EUVD-2021-1875
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P
Updated
2026-11-03
GitHub AdvisoriesGHSA-rqf8-8c89-mw29 5.4

Cross-site Scripting in curly-bracket-parser

This affects all versions of package curly-bracket-parser. When used as a template library, it does not properly sanitize the user input.

Record
GHSA-rqf8-8c89-mw29
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02
NVD 5.4

This affects all versions of package curly-bracket-parser. When used as a template library, it does not properly sanitize the user input.

Record
CVE-2021-23416
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-79
Updated
2026-11-02
OSVGHSA-rqf8-8c89-mw29 5.4

Cross-site Scripting in curly-bracket-parser

This affects all versions of package curly-bracket-parser. When used as a template library, it does not properly sanitize the user input.

Record
GHSA-rqf8-8c89-mw29
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
curly-bracket-parser
npm
 through 1.0.2 None known

History

History
RecordedChangedSources
facts
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-23416 is a medium vulnerability (CVSS 5.4) in Curly-bracket-parser Project Curly-bracket-parser, published July 28, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.79%, the 56th percentile. No source names a fixed version.

References

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