Published:2023/08/21 Last Updated:2023/09/08
JVN#98946408
WordPress Plugin "Advanced Custom Fields" vulnerable to cross-site scripting
Overview
WordPress Plugin "Advanced Custom Fields" contains a cross-site scripting vulnerability.
Products Affected
- Advanced Custom Fields versions 6.1.0 to 6.1.7
- Advanced Custom Fields Pro versions 6.1.0 to 6.1.7
Description
WordPress Plugin "Advanced Custom Fields" provided by WP Engine contains a cross-site scripting vulnerability (CWE-79).
Impact
An arbitrary script may be executed on the web browser of the user who is logging in to the product with the editor or higher privilege.
Solution
Update the plugin
Update the plugin according to the information provided by the developer.
The developer has released the versions listed below that address the vulnerability.
- Advanced Custom Fields 6.1.8
- Advanced Custom Fields Pro 6.1.8
Vendor Status
| Vendor | Link |
| WP Engine | ACF 6.1.8 |
| Advanced Custom Fields | |
| Advanced Custom Fields for WordPress Developers. |
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
Ryotaro Imamura of SB Technology Corp. and Satoo Nakano reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert |
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| JPCERT Reports |
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| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2023-40068 |
| JVN iPedia |
JVNDB-2023-000084 |
Update History
- 2023/09/08
- Information under the section [Credit] was updated.