PatchTheCVECVE-2021-46888: An issue was discovered in hledger before 1.23
CVE-2021-46888 is a medium-severity flaw (CVSS 5.4) affecting hledger. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An issue was discovered in hledger before 1.23. A Stored Cross-Site Scripting (XSS) vulnerability exists in toBloodhoundJson that allows an attacker to execute JavaScript by encoding user-controlled values in a payload with base64 and parsing them with the atob function.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | Required |
| EPSS exploit chance | 0.8% (top 45%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2023-05-21 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-46888?
hledger: upgrade to 1.23. Exact commands for each OS are on this page.
Is CVE-2021-46888 being exploited?
CVE-2021-46888 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-46888 affect?
CVE-2021-46888 affects hledger. Severity is medium (CVSS 5.4). An issue was discovered in hledger before 1.23. A Stored Cross-Site Scripting (XSS) vulnerability exists in toBloodhoundJson that allows an attacker to execute JavaScript by encoding user-controlled values in a payload with base64 and parsi
How urgent is CVE-2021-46888?
Priority 38/100. Public exploit reference