XSS in Terryl Wp Shieldon
CVE-2021-24124
Unvalidated input and lack of output encoding in the WP Shieldon WordPress plugin, version 1.6.3 and below, leads to Unauthenticated Reflected Cross-Site Scripting (XSS) when the CAPTCHA page is shown could lead to privileged escalation.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.011 (63.5th 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
- Terryl Wp_shieldon
- Unknown Wp Shieldon — versions 1.6.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-24124?
- CVE-2021-24124 is a medium-severity vulnerability in Terryl Wp Shieldon, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-03-18.
- How severe is CVE-2021-24124?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-24124 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.