CVE-2023-47842 | WordPress CataBlog plugin <= 1.7.0 - Arbitrary File Upload vulnerability

Unrestricted Upload of File with Dangerous Type vulnerability in Zachary Segal CataBlog.This issue affects CataBlog: from n/a through 1.7.0.

Published: 2024-03-26 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Deferred，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-47842 is rated Moderate Risk (51.9/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.60%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-47842

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.46% 0.60% +0.15%
2 2025-11-21 0.65% 0.46% -0.19%
3 2025-11-18 — 0.65% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-47842

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.1 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.3 6.0 [email protected]

Weakness enumeration for CVE-2023-47842

GitHub Security Advisory for CVE-2023-47842

GHSA-p5cq-xwvp-26vf · Severity: critical — Unrestricted Upload of File with Dangerous Type vulnerability in Zachary Segal CataBlog.This...

Affected software / configurations for CVE-2023-47842

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2023-47842

cvelogic Threat Intelligence