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CVE-2021-43862

20
FAUCET Score

CVE-2021-43862 is a low-impact cross-site scripting (XSS) vulnerability affecting jQuery Terminal Emulator versions prior to 2.31.1. This flaw allows an attacker to inject malicious code, particularly if the application uses the execHash option to execute code from URLs. The vulnerability has a CVSS score of 5.4 (Medium), indicating a network-based attack with low complexity, requiring user interaction, and resulting in limited confidentiality and integrity impacts. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.31.1CPE matchmatch criteria
cpe:2.3:a:jquery.terminal_project:jquery.terminal:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.7LOW

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.2
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.04%
Probability of exploitation in next 30 days
EPSS Percentile
60.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0104 is in the 93rd percentile among its peer group of 15,225 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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: jquery.terminalFixed in: 2.31.1

Vendor Advisories (1)

npmGHSA-x9r5-jxvq-4387low

jquery.terminal self XSS on user input

Jan 6, 2022

References

github.com / jcubic/jquery.terminal/commit/77eb044d0896e990d48a9157f0bc6648f81a84b5
PatchThird Party Advisory
github.com / jcubic/jquery.terminal/issues/727
Issue TrackingThird Party Advisory
github.com / jcubic/jquery.terminal/releases/tag/2.31.1
Release NotesThird Party Advisory
github.com / jcubic/jquery.terminal/security/advisories/GHSA-x9r5-jxvq-4387
ExploitIssue TrackingThird Party Advisory