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CVE-2021-46888

20
FAUCET Score

CVE-2021-46888 describes a Stored Cross-Site Scripting (XSS) vulnerability in hledger versions prior to 1.23, specifically within the toBloodhoundJson function. An attacker can inject malicious JavaScript by encoding user-controlled data in base64 and leveraging the atob function for parsing. This vulnerability is rated Medium severity (CVSS 5.4), requiring low privileges and user interaction for exploitation, potentially leading to limited impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.23CPE matchmatch criteria
cpe:2.3:a:hledger:hledger:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.76%
Probability of exploitation in next 30 days
EPSS Percentile
51.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0076 is in the 86th percentile among its peer group of 15,239 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 (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / simonmichael/hledger/issues/1525
ExploitIssue TrackingVendor Advisory
github.com / simonmichael/hledger/pull/1663
ExploitIssue TrackingPatchThird Party Advisory
github.com / simonmichael/hledger/releases/tag/1.23
Release Notes
youtube.com / watch
ExploitThird Party Advisory