XSS in Kuicms PHP Ee
CVE-2020-37222
Kuicms Php EE 2.0 contains a persistent cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by submitting crafted content through the bbs reply endpoint. Attackers can send POST requests to /web/?c=bbs&a=reply with HTML and JavaScript payloads in the content parameter to execute arbitrary scripts in users' browsers.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (21.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Kuicms PHP Ee — versions 2.0
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/48526 (exploit)
- kuicms.com (product)
- kuicms.com/kuicms.zip (product)
- www.vulncheck.com/advisories/kuicms-php-ee-persistent-cross-site-scripting-via-… (third-party-advisory)
Frequently asked questions
- What is CVE-2020-37222?
- CVE-2020-37222 is a high-severity vulnerability in Kuicms PHP Ee, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-05-13.
- How severe is CVE-2020-37222?
- High severity. CVSS v3 base score is 7.2 out of 10.