Vulnerability Details : CVE-2023-3956
The InstaWP Connect plugin for WordPress is vulnerable to unauthorized access of data, modification of data and loss of data due to a missing capability check on the 'events_receiver' function in versions up to, and including, 0.0.9.18. This makes it possible for unauthenticated attackers to add, modify or delete post and taxonomy, install, activate or deactivate plugin, change customizer settings, add or modify or delete user including administrator user.
Vulnerability category: Bypass
Products affected by CVE-2023-3956
- cpe:2.3:a:instawp:instawp_connect:*:*:*:*:*:wordpress:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-3956
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 56 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-3956
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
Wordfence |
CWE ids for CVE-2023-3956
-
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.Assigned by: security@wordfence.com (Primary)
References for CVE-2023-3956
-
https://plugins.trac.wordpress.org/browser/instawp-connect/tags/0.0.9.18/includes/class-instawp-rest-apis.php#L103
class-instawp-rest-apis.php in instawp-connect/tags/0.0.9.18/includes – WordPress Plugin RepositoryPatch
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https://www.wordfence.com/threat-intel/vulnerabilities/id/48e7acf2-61d4-4762-8657-0701910ce69b?source=cve
InstaWP Connect <= 0.0.9.18 - Missing Authorization to Unauthenticated Post/Taxonomy/User Add/Change/Delete, Customizer Setting Change, Plugin Installation/Activation/Deactication via events_receiverThird Party Advisory
-
https://plugins.trac.wordpress.org/changeset/2942363/instawp-connect#file5
Changeset 2942363 for instawp-connect – WordPress Plugin RepositoryPatch
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