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Public proof of conceptFix available

CVE-2023-45827

A public proof of concept exists; no exploitation attested.

  • Published2023-11-06
  • Fixed in1.0.2
  • WeaknessCWE-1321

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

Dot diver is a lightweight, powerful, and dependency-free TypeScript utility library that provides types and functions to work with object paths in dot notation. In versions prior to 1.0.2 there is a Prototype Pollution vulnerability in the `setByPath` function which can leads to remote code execution (RCE). This issue has been addressed in commit `98daf567` which has been included in release 1.0.2. Users are advised to upgrade. There are no known workarounds to this vulnerability.

Timeline

dates in UTC
  1. 2023-11-0618:15CVE publishedNVD
  2. 2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-45827?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-45827?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
Clickbar dot-diver
BranchAffectedFixed in
1.0< 1.0.21.0.2

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

Fix

  1. Update Clickbar dot-diver to 1.0.2

Advisories and patches

Detection

read 2026-10-23 19:23 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverified200101WhoAmI/CVE-2023-45827
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionpoc2024-09-04
  • OpenCVESSVC decisionpoc—
  • CNACVSS 3.17.3read 2026-10-23
  • NVDCVSS 3.19.8read 2026-10-23
  • CNAweakness (CWE)CWE-1321read 2026-10-23
  • NVDweakness (CWE)CWE-1321read 2026-10-23
  • FIRST EPSSEPSS score1.2 %2026-10-22
  • PoC-in-GitHubproof of concept1read 2026-10-23
  • OSVaffected packages—

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2023-11-06
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2023-45827?

Dot diver is a lightweight, powerful, and dependency-free TypeScript utility library that provides types and functions to work with object paths in dot notation. In versions prior to 1.0.2 there is a Prototype Pollution vulnerability in the `setByPath` function which can leads to remote code execution (RCE). This issue has been addressed in commit `98daf567` which has been included in release 1.0.2. Users are advised to upgrade. There are no known workarounds to this vulnerability.

Is CVE-2023-45827 actively exploited?

A proof-of-concept exploit exists for CVE-2023-45827, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2023-45827?

CVE-2023-45827 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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