XSS in WordPress Buddypress
CVE-2020-37233
WordPress Plugin Buddypress 6.2.0 contains a persistent cross-site scripting vulnerability that allows authenticated attackers with moderator privileges to inject malicious script code through the figure parameter in wp:html blocks. Attackers can inject iframe elements with event handlers like onload that execute when administrators or privileged users preview or view the affected page content, enabling session hijacking and persistent phishing attacks.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (18.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.000
Affected products
- WordPress Buddypress — versions 6.2.0
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/49061 (exploit)
- wordpress.org/plugins/buddypress/ (product)
- www.vulncheck.com/advisories/wordpress-plugin-buddypress-persistent-cross-site-… (third-party-advisory)
Frequently asked questions
- What is CVE-2020-37233?
- CVE-2020-37233 is a medium-severity vulnerability in WordPress Buddypress, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-05-16.
- How severe is CVE-2020-37233?
- Medium severity. CVSS v3 base score is 6.4 out of 10.