CVE-2023-0275Public exploitNetwork attack vector

Contributor-level stored XSS via unescaped shortcode attribute

Published Feb 13, 2023 · Updated Mar 21, 2025

Stored XSS in Easy Accept Payments via PayPal before 4.9.10 allows remote authenticated users to inject script through a shortcode. The wp_paypal_payment_box_for_any_amount shortcode places its cbt attribute into page output without validating or escaping the value. A Contributor can save the crafted shortcode, but execution requires a visitor to view the rendered page and invoke the injected access key.

CVSS severityUnavailable
Unscored
EPSS probability0.54%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Stored XSS in Easy Accept Payments via PayPal before 4.9.10 allows remote authenticated users to inject script through a shortcode. The wp_paypal_payment_box_for_any_amount shortcode places its cbt attribute into page output without validating or escaping the value. A Contributor can save the crafted shortcode, but execution requires a visitor to view the rendered page and invoke the injected access key.

The record

CVE
CVE-2023-0275
Published
Feb 13, 2023
Updated
Mar 21, 2025
Vendor
Tips and Tricks HQ
Product
Easy Accept Payments via PayPal
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 13, 2023CVE publishedPublication date reported by the CVE source.
  2. Mar 21, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <4.9.10

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Tips and Tricks HQ · Easy Accept Payments via PayPalversion=0 <4.9.10

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript/JScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo