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TI-2023-00851 Aliases CVE-2023-0899GHSA-jvcm-h57m-rqjp

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

VendorProductAffected versionsFixed inStatusSource
UnknownSteveas WP Live Chat Shoutboxup to 1.4.2—No fix listedCNA
  • Steveas WP Live Chat Shoutbox VendorUnknown Affected up to 1.4.2 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wp_live_chat_shoutbox_project:wp_live_chat_shoutbox:*:*:*:*:*:wordpress:*:*up to 1.4.2VulnerableWp 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

  1. 2026-10-02 Threatist record created from CVE-2023-0899
  2. 2026-10-03 Alias added: GHSA-jvcm-h57m-rqjp

References

  • TI-2023-00965 Steveas WP Live Chat Shoutbox <= 1.4.2 - Unauthenticated SQLi CVSS 3.1CRITICAL 9.8

Sources