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CVE-2023-33187

20
FAUCET Score

CVE-2023-33187 affects Highlight, an open-source full-stack monitoring platform, where it could unintentionally record passwords. The vulnerability arises when a "Show Password" button changes an HTML input from type="password" to type="text", causing Highlight to record the input despite expected obfuscation. Rated Medium severity with a CVSS score of 6.5, this issue has a network attack vector and high confidentiality impact, allowing an authenticated attacker to potentially access sensitive user data. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability. The issue was patched in Highlight version 6.0.0.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.0.0CPE matchmatch criteria
cpe:2.3:a:highlight:highlight:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.0
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.29%
Probability of exploitation in next 30 days
EPSS Percentile
20.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0029 is in the 26th percentile among its peer group of 21,974 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: highlight.runFixed in: 6.0.0

Vendor Advisories (1)

npmGHSA-9qpj-qq2r-5mccmedium

html inputs of type password recorded in plaintext when converted to text inputs

May 26, 2023

References

github.com / highlight/highlight/security/advisories/GHSA-9qpj-qq2r-5mcc
Vendor Advisory
github.com / rrweb-io/rrweb/pull/1184
Issue TrackingPatch