CVE-2021-3693Cross-site Scripting in Ledgersmb

Severity
9.6CRITICALNVD
EPSS
0.8%
top 26.05%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedAug 23
Latest updateJul 17

Description

LedgerSMB does not check the origin of HTML fragments merged into the browser's DOM. By sending a specially crafted URL to an authenticated user, this flaw can be abused for remote code execution and information disclosure.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HExploitability: 2.8 | Impact: 6.0

Affected Packages5 packages

debiandebian/ledgersmb< ledgersmb 1.6.9+ds-2.1 (bookworm)
CVEListV5ledgersmb/ledgersmb_ledgersmbunspecified1.8.18
Debianledgersmb/ledgersmb< 1.6.9+ds-2+deb11u2+1
Ubuntuledgersmb/ledgersmb< 1.6.9+ds-1ubuntu0.1+5
NVDledgersmb/ledgersmb1.5.01.5.30+3

Also affects: Debian Linux 10.0, 11.0

Patches

🔴Vulnerability Details

4
OSV
ledgersmb vulnerabilities2025-07-17
GHSA
GHSA-x27f-prq2-qwh6: LedgerSMB does not check the origin of HTML fragments merged into the browser's DOM2022-05-24
OSV
ledgersmb vulnerabilities2021-09-30
OSV
CVE-2021-3693: LedgerSMB does not check the origin of HTML fragments merged into the browser's DOM2021-08-23

📋Vendor Advisories

3
Ubuntu
LedgerSMB vulnerabilities2025-07-17
Ubuntu
LedgerSMB vulnerabilities2021-09-30
Debian
CVE-2021-3693: ledgersmb - LedgerSMB does not check the origin of HTML fragments merged into the browser's ...2021