Published:2022/05/13 Last Updated:2022/05/13
JVN#44550983
Strapi vulnerable to cross-site scripting
Overview
Strapi contains a cross-site scripting vulnerability.
Products Affected
- Strapi v3.x.x versions and earlier
Description
Strapi contains a stored cross-site scripting vulnerability (CWE-79) in the file upload function.
Impact
An arbitrary script may be executed on the web browser of the user who is logging in to the product with the administrative privilege.
Solution
Update the Software
Update the software to the latest version according to the information provided by the developer.
According to the developer, this vulnerability is fixed in Strapi v4.x.x versions and v3.x.x versions are planned to be end-of-life in September, 2022.
Vendor Status
| Vendor | Link |
| Strapi | Strapi - Open source Node.jp Headless CMS |
| GitHub - strapi/strapi |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
CVSS v3
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Base Score:
5.4
| Attack Vector(AV) | Physical (P) | Local (L) | Adjacent (A) | Network (N) |
|---|---|---|---|---|
| Attack Complexity(AC) | High (H) | Low (L) | ||
| Privileges Required(PR) | High (H) | Low (L) | None (N) | |
| User Interaction(UI) | Required (R) | None (N) | ||
| Scope(S) | Unchanged (U) | Changed (C) | ||
| Confidentiality Impact(C) | None (N) | Low (L) | High (H) | |
| Integrity Impact(I) | None (N) | Low (L) | High (H) | |
| Availability Impact(A) | None (N) | Low (L) | High (H) |
CVSS v2
AV:N/AC:M/Au:S/C:N/I:P/A:N
Base Score:
3.5
| Access Vector(AV) | Local (L) | Adjacent Network (A) | Network (N) |
|---|---|---|---|
| Access Complexity(AC) | High (H) | Medium (M) | Low (L) |
| Authentication(Au) | Multiple (M) | Single (S) | None (N) |
| Confidentiality Impact(C) | None (N) | Partial (P) | Complete (C) |
| Integrity Impact(I) | None (N) | Partial (P) | Complete (C) |
| Availability Impact(A) | None (N) | Partial (P) | Complete (C) |
Credit
Yuta Morioka of Information Science College reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert |
|
| JPCERT Reports |
|
| CERT Advisory |
|
| CPNI Advisory |
|
| TRnotes |
|
| CVE |
CVE-2022-29894 |
| JVN iPedia |
JVNDB-2022-000033 |