JVN#91372527
WordPress Plugin "WPCS - WordPress Currency Switcher" vulnerable to cross-site request forgery
Overview
WordPress Plugin "WPCS – WordPress Currency Switcher" contains a cross-site request forgery vulnerability.
Products Affected
- WPCS – WordPress Currency Switcher 1.1.6 and earlier
Description
WordPress Plugin "WPCS – WordPress Currency Switcher" provided by realmag777 contains a cross-site request forgery vulnerability (CWE-352).
Impact
If a user views a malicious page while logged in to the affected system with an administrative privilege, unintended operations may be performed.
Solution
Update the plugin
Update the plugin according to the information provided by the developer.
Vendor Status
| Vendor | Link |
| realmag777 | WPCS – WordPress Currency Switcher |
| PluginUs.Net - Business Tools for WordPress and WooCommerce |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
| 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) |
| 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
Mizuki Takagi of Cryptography Laboratory,Department of Information and Communication Engineering,Tokyo Denki University reported and coordinated with the developer to fix this vulnerability.
After coordination was completed, this case was reported to IPA, and JPCERT/CC coordinated with the developer for the publication 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-2021-20780 |
| JVN iPedia |
JVNDB-2021-000062 |