CVE-2023-2121
Vault’s KV Diff Viewer Allowed for HTML Injection
Vault and Vault Enterprise's (Vault) key-value v2 (kv-v2) diff viewer allowed HTML injection into the Vault web UI through key values. This vulnerability, CVE-2023-2121, is fixed in Vault 1.14.0, 1.13.3, 1.12.7, and 1.11.11.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Vault’s KV Diff Viewer Allowed for HTML Injection
Vault and Vault Enterprise's (Vault) key-value v2 (kv-v2) diff viewer allowed HTML injection into the Vault web UI through key values. This vulnerability, CVE-2023-2121, is fixed in Vault 1.14.0, 1.13.3, 1.12.7, and 1.11.11.
- Record
CVE-2023-2121- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2023-1807
Vault and Vault Enterprise's (Vault) key-value v2 (kv-v2) diff viewer allowed HTML injection into the Vault web UI through key values. This vulnerability, CVE-2023-2121, is fixed in Vault 1.14.0, 1.13.3, 1.12.7, and 1.11.11.
- Record
EUVD-2023-1807- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gq98-53rq-qr5h
Hashicorp Vault vulnerable to Cross-site Scripting
Vault and Vault Enterprise's (Vault) key-value v2 (kv-v2) diff viewer allowed HTML injection into the Vault web UI through key values. This vulnerability, CVE-2023-2121, is fixed in Vault 1.14.0, 1.13.3, 1.12.7, and 1.11.11.
- Record
GHSA-gq98-53rq-qr5h- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
Vault and Vault Enterprise's (Vault) key-value v2 (kv-v2) diff viewer allowed HTML injection into the Vault web UI through key values. This vulnerability, CVE-2023-2121, is fixed in Vault 1.14.0, 1.13.3, 1.12.7, and 1.11.11.
- Record
CVE-2023-2121- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Vault’s KV Diff Viewer Allowed for HTML Injection
Vault and Vault Enterprise's (Vault) key-value v2 (kv-v2) diff viewer allowed HTML injection into the Vault web UI through key values. This vulnerability, CVE-2023-2121, is fixed in Vault 1.14.0, 1.13.3, 1.12.7, and 1.11.11.
- Record
CVE-2023-2121- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVGHSA-gq98-53rq-qr5h
Hashicorp Vault vulnerable to Cross-site Scripting
Vault and Vault Enterprise's (Vault) key-value v2 (kv-v2) diff viewer allowed HTML injection into the Vault web UI through key values. This vulnerability, CVE-2023-2121, is fixed in Vault 1.14.0, 1.13.3, 1.12.7, and 1.11.11.
- Record
GHSA-gq98-53rq-qr5h- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVBIT-vault-2023-2121 No score
Vault’s KV Diff Viewer Allowed for HTML Injection
Vault and Vault Enterprise's (Vault) key-value v2 (kv-v2) diff viewer allowed HTML injection into the Vault web UI through key values. This vulnerability, CVE-2023-2121, is fixed in Vault 1.14.0, 1.13.3, 1.12.7, and 1.11.11.
- Record
BIT-vault-2023-2121- Updated
- 2026-11-02
OSVGO-2023-1849 No score
Hashicorp Vault vulnerable to Cross-site Scripting in github.com/hashicorp/vault
Hashicorp Vault vulnerable to Cross-site Scripting in github.com/hashicorp/vault
- Record
GO-2023-1849- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/hashicorp/vaultGo |
before 1.11.11 | 1.11.11 |
github.com/hashicorp/vaultGo |
1.12.0 up to 1.12.7 | 1.12.7 |
github.com/hashicorp/vaultGo |
1.13.0 up to 1.13.3 | 1.13.3 |
vaultBitnami |
before 1.11.11, 1.12.0 up to 1.12.7, 1.13.0 up to 1.13.3 | 1.11.111.12.71.13.3 |
github.com/hashicorp/vaultGo |
before 1.11.11, 1.12.0 up to 1.12.7, 1.13.0 up to 1.13.3 | 1.11.111.12.71.13.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-2121 is a medium vulnerability (CVSS 4.3) in Hashicorp Vault, published June 9, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.42%, the 36th percentile. Fixed in github.com/hashicorp/vault 1.11.11.