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CVE-2023-23991

📛 CVE Title

WordPress Booking Calendar plugin <= 9.4.3 - SQL Injection

⬇ Download JSON ⚠ View as Threat

Description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in WPdevelop / Oplugins Booking Calendar allows SQL Injection.This issue affects Booking Calendar: from n/a through 9.4.3.

Overview

State
PUBLISHED
Assigner (CNA)
Patchstack
CVSS severity
HIGH
CVSS score
CVSS 7.6 / 10 7.6 7.6 / 10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
Effective score
7.6 / 10 HIGH source: CNA overview
CWE(s)
CWE-89
Reserved
2023-01-20
Published
2024-03-26 09:56 UTC
Last updated
2026-04-28 18:08 UTC
Source
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/23xxx/CVE-2023-23991.json
Linked Threat
CVE-2023-23991 — Booking Calendar <= 9.4.2 - Authenticated (Admin+) SQL Injection

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

EPSS score
0.0052 (probability of exploitation in next 30 days)
EPSS percentile
40.22% vs all CVEs — higher = more likely to be exploited, as of 2026-07-10

NVD / KEV / EPSS data refreshed 2026-07-10 20:13 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID
EUVD-2023-28055
Assigner
Patchstack
Published
Mar 26, 2024, 8:56:12 AM
Updated
Apr 28, 2026, 4:08:04 PM
EUVD base score (CVSS 3.1)
7.6 / 10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
EUVD-reported EPSS
0.2200
Vendors
WPdevelop / Oplugins
Products
Booking Calendar (n/a ≤9.4.3)
Aliases
GHSA-3j8g-45hc-8h5f

ENISA description: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in WPdevelop / Oplugins Booking Calendar allows SQL Injection.This issue affects Booking Calendar: from n/a through 9.4.3.

EUVD references (1)

Affected products (1)
VendorProductVersionsPlatforms
WPdevelop / Oplugins Booking Calendar n/a (affected) —

Vendor references (1)

References embedded in the original CVE record by the assigning CNA.

MITRE references (1) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

Web references (5)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

Indicators (2)

IOCs linked to the auto-promoted Threat row.

TypeValueVirusTotalAttached
domain injection.this no local data 2026-05-18 21:20 UTC
cve CVE-2023-23991 no local data 2026-06-06 15:14 UTC

Flagged vendors

    Remediations (15)

    Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

    AI Forensic Analysis

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    Raw JSON

    The full cvelistV5 record. Download as CVE-2023-23991.json.

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