Steveas WP Live Chat Shoutbox <= 1.4.2 - Unauthenticated Stored XSS
Priority MEDIUM 60Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
The Steveas WP Live Chat Shoutbox WordPress plugin through 1.4.2 does not sanitise and escape a parameter before outputting it back in the Shoutbox, leading to Stored Cross-Site Scripting which could be used against high privilege users such as admins.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00458 39th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Steveas WP Live Chat Shoutbox | up to 1.4.2 | — | No fix listed | CNA |
- Steveas WP Live Chat Shoutbox VendorUnknown Affected up to 1.4.2 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wp_live_chat_shoutbox_project:wp_live_chat_shoutbox:*:*:*:*:*:wordpress:*:* | up to 1.4.2 | Vulnerable | Wp Live Chat Shoutbox Project |
- cpe:2.3:a:wp_live_chat_shoutbox_project:wp_live_chat_shoutbox:*:*:*:*:*:wordpress:*:* Versions up to 1.4.2 Vulnerable ·Wp Live Chat Shoutbox Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-0899
- 2026-10-03 Alias added: GHSA-jvcm-h57m-rqjp
References
More Wp Live Chat Shoutbox Project Wp Live Chat Shoutbox vulnerabilities
- TI-2023-00965 Steveas WP Live Chat Shoutbox <= 1.4.2 - Unauthenticated SQLi CVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-0899 · CVE Program
- CVE-2023-0899 · NVD
- FIRST EPSS
- GHSA-jvcm-h57m-rqjp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences