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ExploitedNot in CISA KEV yet

CVE-2023-1020

Exploitation confirmed. First attested on 2023-10-14 by GCVE · kevintel, GCVE · shadowserver.

  • Published2023-04-24

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The Steveas WP Live Chat Shoutbox WordPress plugin through 1.4.2 does not sanitise and escape a parameter before using it in a SQL statement via an AJAX action available to unauthenticated users, leading to a SQL injection.

Timeline

dates in UTC
  1. 2023-04-2419:15CVE publishedNVD
  2. 2023-10-1414:57Listed as exploited by GCVEGCVE
  3. 2023-10-1414:57Exploitation first reportedGCVE

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-1020?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-1020?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Wp live chat shoutbox project wp live chat shoutbox
BranchAffectedFixed in
1.4≤ 1.4.2no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As WPScan, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2023-04-24

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-11-02 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2023-04-24
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-cg84-ggcf-mxg7

Frequently asked questions

What is CVE-2023-1020?

The Steveas WP Live Chat Shoutbox WordPress plugin through 1.4.2 does not sanitise and escape a parameter before using it in a SQL statement via an AJAX action available to unauthenticated users, leading to a SQL injection.

Is CVE-2023-1020 actively exploited?

A proof-of-concept exploit exists for CVE-2023-1020, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2023-1020?

CVE-2023-1020 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record