Vulnerability Details : CVE-2021-24134
Unvalidated input and lack of output encoding in the Constant Contact Forms WordPress plugin, versions before 1.8.8, lead to multiple Stored Cross-Site Scripting vulnerabilities, which allowed high-privileged user (Editor+) to inject arbitrary JavaScript code or HTML in posts where the malicious form is embed.
Vulnerability category: Cross site scripting (XSS)
Exploit prediction scoring system (EPSS) score for CVE-2021-24134
Probability of exploitation activity in the next 30 days: 0.06%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 23 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-24134
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST |
|
4.8
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
1.7
|
2.7
|
NIST |
CWE ids for CVE-2021-24134
-
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:
- contact@wpscan.com (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2021-24134
-
https://wpscan.com/vulnerability/8f3cca92-d072-4806-9142-7f1a987f840b
Attention Required! | CloudflareExploit;Third Party Advisory
Products affected by CVE-2021-24134
- cpe:2.3:a:constantcontact:constant_contact_forms:*:*:*:*:*:wordpress:*:*