Vulnerability Details : CVE-2021-24241
Potential exploit
The Advanced Custom Fields Pro WordPress plugin before 5.9.1 did not properly escape the generated update URL when outputting it in an attribute, leading to a reflected Cross-Site Scripting issue in the update settings page.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-24241
- cpe:2.3:a:advancedcustomfields:advanced_custom_fields:*:*:*:*:pro:wordpress:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-24241
0.63%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 69 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-24241
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
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-2021-24241
-
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 (Primary)
References for CVE-2021-24241
-
https://www.advancedcustomfields.com/blog/acf-5-9-1-release/
ACF | ACF 5.9.1 ReleaseRelease Notes;Vendor Advisory
-
https://github.com/jdordonezn/Reflected-XSS-in-WordPress-for-ACF-PRO-before-5.9.1-plugin/issues/1
Reflected XSS in WordPress for 'Advanced Custom Fields PRO' plugin · Issue #1 · jdordonezn/Reflected-XSS-in-WordPress-for-ACF-PRO-before-5.9.1-plugin · GitHubExploit;Third Party Advisory
-
https://wpscan.com/vulnerability/d1e9c995-37bd-4952-b88e-945e02e3c83f
Attention Required! | CloudflareExploit;Third Party Advisory
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