VDB
CVE-2026-21483
CVE-2026-21483
PUBLISHED
CVSS 5.400000095367432 MEDIUM
listmonk Vulnerable to Stored XSS Leading to Admin Account Takeover
EPSS 0.23% · 13.7th percentile
Risk Scores
CVSS 4.0
5.400000095367432
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:P
EPSS Score
0.23%
13.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| knadh | listmonk | *, < 6.0.0 |
| github.com | knadh/listmonk | 1.1.1, 0, 0 |
| nadh | listmonk | 0, 0 |
Timeline
- Jan 2, 2026 CVE Published
- Jan 2, 2026 PoC Published
- Jan 3, 2026 EPSS Score
- Jan 6, 2026 EPSS Score
- Jan 10, 2026 EPSS Score
- Jan 13, 2026 EPSS Score
- Jan 17, 2026 EPSS Score
- Jan 20, 2026 EPSS Score
- Jan 24, 2026 EPSS Score
- Jan 24, 2026 PoC Published
- Jan 24, 2026 PoC Published
- Jan 27, 2026 EPSS Score
References
- https://github.com/knadh/listmonk/security/advisories/GHSA-jmr4-p576-v565 url
- https://github.com/knadh/listmonk package
- https://github.com/knadh/listmonk/commit/74dc5a01cfbb12cf218cb33ddad8410c53e2e915 fix
- https://github.com/knadh/listmonk/releases/tag/v6.0.0 fix
- https://nvd.nist.gov/vuln/detail/CVE-2026-21483 advisory