Vulnerability Details : CVE-2021-4244
A vulnerability classified as problematic has been found in yikes-inc-easy-mailchimp-extender Plugin up to 6.8.5. This affects an unknown part of the file admin/partials/ajax/add_field_to_form.php. The manipulation of the argument field_name/merge_tag/field_type/list_id leads to cross site scripting. It is possible to initiate the attack remotely. Upgrading to version 6.8.6 is able to address this issue. The name of the patch is 3662c6593aa1bb4286781214891d26de2e947695. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-215307.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-4244
- cpe:2.3:a:yikesplugins:easy_forms_for_mailchimp:*:*:*:*:*:wordpress:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-4244
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 16 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-4244
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.6
|
LOW | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N |
1.2
|
1.4
|
VulDB | |
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2021-4244
-
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.Assigned by: cna@vuldb.com (Secondary)
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- cna@vuldb.com (Secondary)
- nvd@nist.gov (Primary)
-
The product does not ensure or incorrectly ensures that structured messages or data are well-formed and that certain security properties are met before being read from an upstream component or sent to a downstream component.Assigned by: cna@vuldb.com (Secondary)
References for CVE-2021-4244
-
https://github.com/EvanHerman/yikes-inc-easy-mailchimp-extender/releases/tag/6.8.6
Release 6.8.6 · EvanHerman/yikes-inc-easy-mailchimp-extender · GitHubRelease Notes;Third Party Advisory
-
https://vuldb.com/?id.215307
CVE-2021-4244 | yikes-inc-easy-mailchimp-extender Plugin add_field_to_form.php cross site scripting (ID 889)Third Party Advisory
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https://github.com/EvanHerman/yikes-inc-easy-mailchimp-extender/commit/3662c6593aa1bb4286781214891d26de2e947695
Merge pull request #889 from yikesinc/fix/audit · EvanHerman/yikes-inc-easy-mailchimp-extender@3662c65 · GitHubPatch;Third Party Advisory
-
https://github.com/EvanHerman/yikes-inc-easy-mailchimp-extender/pull/889
Fix Reflected Cross-Site Scripting issue by jpowersdev · Pull Request #889 · EvanHerman/yikes-inc-easy-mailchimp-extender · GitHubPatch;Third Party Advisory
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