XSS in Screets Live Chat Unlimited
CVE-2019-25737
Live Chat Unlimited 2.8.3 contains a stored cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts through the chat input field. Attackers can submit payloads containing script tags and event handlers that execute in the admin area, enabling cookie theft or forced redirects to malicious websites.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (10.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.2% 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: 0.002 · change: 0.000
Affected products
- Screets Live Chat Unlimited — versions 2.8.3
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/47037 (exploit)
- screets.com/ (product)
- codecanyon.net/item/wordpress-live-chat-plugin/3952877 (product)
- www.vulncheck.com/advisories/live-chat-unlimited-stored-cross-site-scripting (third-party-advisory)
Frequently asked questions
- What is CVE-2019-25737?
- CVE-2019-25737 is a medium-severity vulnerability in Screets Live Chat Unlimited, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-06-04.
- How severe is CVE-2019-25737?
- Medium severity. CVSS v3 base score is 6.1 out of 10.