XSS in Supsystic Contact_form
CVE-2021-24276
The Contact Form by Supsystic WordPress plugin before 1.7.15 did not sanitise the tab parameter of its options page before outputting it in an attribute, leading to a reflected Cross-Site Scripting issue
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.160 (96.6th 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
- Supsystic Contact_form
- Supsystic Contact Form By — versions 1.7.15
Weakness classification (CWE)
Public proof-of-concept exploits
References
- contact@wpscan.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
- contact@wpscan.com (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-24276?
- CVE-2021-24276 is a medium-severity vulnerability in Supsystic Contact_form, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-05-05.
- How severe is CVE-2021-24276?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-24276 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.