XSS in Advancedcustomfields Advanced_custom_fields
CVE-2021-24241
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 class: XSS (Cross-Site Scripting)
EPSS: 0.014 (68.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Advancedcustomfields Advanced_custom_fields
- Unknown Advanced Custom Fields Pro — versions 5.9.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- contact@wpscan.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
- contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)
- contact@wpscan.com (x_refsource_MISC, Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-24241?
- CVE-2021-24241 is a medium-severity vulnerability in Advancedcustomfields Advanced_custom_fields, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-04-22.
- How severe is CVE-2021-24241?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-24241 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.