XSS in Webence Iq Block Country
CVE-2021-36873
Authenticated Persistent Cross-Site Scripting (XSS) vulnerability in WordPress iQ Block Country plugin (versions <= 1.2.11). Vulnerable parameter: &blockcountry_blockmessage.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.012 (65.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N.
Affected products
- Webence Iq Block Country — versions 1.2.11
- Webence Iq_block_country
Weakness classification (CWE)
Public proof-of-concept exploits
References
- audit@patchstack.com (x_refsource_CONFIRM, Third Party Advisory)
- audit@patchstack.com (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-36873?
- CVE-2021-36873 is a medium-severity vulnerability in Webence Iq Block Country, classified under Cross-site Scripting. CVSS score: 5.5/10. Published 2021-09-23.
- How severe is CVE-2021-36873?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2021-36873 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.