The Chat Anywhere extension 2.4.0 for Chrome allows XSS via crafted use of <<a> in a…
Priority LOW 28CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
The Chat Anywhere extension 2.4.0 for Chrome allows XSS via crafted use of <<a> in a message, because a danmuWrapper DIV element in chatbox-only\danmu.js is outside the scope of a Content Security Policy (CSP).
Why it matters now
EPSS 0.00707 53rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:urlchatbox:chat_anywhere:2.4.0:*:*:*:*:chrome:*:* | 2.4.0 | Vulnerable | Urlchatbox |
- cpe:2.3:a:urlchatbox:chat_anywhere:2.4.0:*:*:*:*:chrome:*:* Versions 2.4.0 Vulnerable ·Urlchatbox
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-20524
- 2026-10-03 Alias added: GHSA-wqqx-5mmq-6phc
References
Sources
- CVE-2018-20524 · CVE Program
- CVE-2018-20524 · NVD
- FIRST EPSS
- GHSA-wqqx-5mmq-6phc · GitHub Advisory Database · CC BY 4.0
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