Skip to main content

Updraftplus CVE-2023-0157

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2023-04-10 contact@wpscan.com
4.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 4.8 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, user interaction required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 32.5% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

The All-In-One Security (AIOS) WordPress plugin before 5.1.5 does not escape the content of log files before outputting it to the plugin admin page, allowing an authorized user (admin+) to plant. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. The All-In-One Security (AIOS) WordPress plugin before 5.1.5 does not escape the content of log files before outputting it to the plugin admin page, allowing an authorized user (admin+) to plant bogus log files containing malicious JavaScript code that will be executed in the context of any administrator visiting this page. Affected products include: Updraftplus All-In-One Security. Version information: before 5.1.5.

Know when Updraftplus gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 4.8 MEDIUM
AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

DescriptionNVD

The All-In-One Security (AIOS) WordPress plugin before 5.1.5 does not escape the content of log files before outputting it to the plugin admin page, allowing an authorized user (admin+) to plant bogus log files containing malicious JavaScript code that will be executed in the context of any administrator visiting this page.

Threat Intelligence Overview

EPSS Score
32.5%
Top 2% exploitable
Exploit
POC
Public exploit code exists
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC Yes
EPSS 32.5%
Patch available No
Active threat Yes
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

76
Low Medium High Critical
KEV: 0
EPSS: +32
CVSS: +24
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

Affected Products (CPE)NVD

cpe:2.3:a:updraftplus:all-in-one_security:*:*:*:*:*:wordpress:*:*
CVE-2017-16871 HIGH POC
8.1 Nov 17

The UpdraftPlus plugin through 1.13.12 for WordPress allows remote PHP code execution because the plupload_action functi

CVE-2017-16870 HIGH POC
8.1 Nov 17

The UpdraftPlus plugin through 1.13.12 for WordPress has SSRF in the updraft_ajax_handler function in /wp-content/plugin

CVE-2026-10795 HIGH POC
8.1 Jun 11

Remote code execution in UpdraftPlus: WP Backup & Migration Plugin for WordPress (versions ≤1.26.4) allows unauthenticat

CVE-2022-0633 MEDIUM POC
6.5 Feb 17

The UpdraftPlus WordPress plugin Free before 1.22.3 and Premium before 2.22.3 do not properly validate a user has the re

CVE-2023-1119 MEDIUM POC
6.1 Jul 10

The WP-Optimize WordPress plugin before 3.2.13, SrbTransLatin WordPress plugin before 2.4.1 use a third-party library th

CVE-2022-0864 MEDIUM POC
6.1 Apr 04

The UpdraftPlus WordPress Backup Plugin WordPress plugin before 1.22.9 does not sanitise and escape the updraft_interval

CVE-2026-82841 MEDIUM POC
5.3 Sep 27

Credential disclosure in the UpdraftPlus WordPress backup and migration plugin lets any authenticated user - including a

CVE-2022-4097 MEDIUM POC
5.3 Dec 12

The All-In-One Security (AIOS) WordPress plugin before 5.0.8 is susceptible to IP Spoofing attacks, which can lead to by

CVE-2023-0156 MEDIUM POC
4.9 Apr 10

The All-In-One Security (AIOS) WordPress plugin before 5.1.5 does not limit what log files to display in it's settings p

CVE-2025-3951 MEDIUM POC
4.1 Jun 02

The WP-Optimize WordPress plugin before 4.2.0 does not properly escape user input when checking image compression statu

CVE-2024-1037 MEDIUM
6.1 Feb 07

The All-In-One Security (AIOS) - Security and Firewall plugin for WordPress is vulnerable to Reflected Cross-Site Script

CVE-2023-26530 MEDIUM
6.1 Aug 17

Unauth. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low at

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy