CVE-2023-0442Public exploitNetwork attack vector

Reflected XSS via unescaped shortcode query parameter

Published Feb 21, 2023 · Updated Mar 12, 2025

Reflected XSS in Graham Loan Comparison before 1.5.3 allows remote attackers to execute JavaScript via a crafted page URL. The [loancomparison] shortcode reflects the amount query parameter into page output without validation or escaping. A victim must open the crafted URL to run the injected script in the site's browser origin, enabling access to page data or actions available to that session.

CVSS severity6.1
Medium
EPSS probability0.49%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in Graham Loan Comparison before 1.5.3 allows remote attackers to execute JavaScript via a crafted page URL. The [loancomparison] shortcode reflects the amount query parameter into page output without validation or escaping. A victim must open the crafted URL to run the injected script in the site's browser origin, enabling access to page data or actions available to that session.

The record

CVE
CVE-2023-0442
Published
Feb 21, 2023
Updated
Mar 12, 2025
Vendor
Graham
Product
Loan Comparison
Classifications
CWE-79, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 21, 2023CVE publishedPublication date reported by the CVE source.
  2. Mar 12, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=0 <1.5.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Graham · Loan Comparisonversion=0 <1.5.3

Published CVSS scores

6.1CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79CWE-79 Cross-Site Scripting (XSS)
T1204.001User Execution: Malicious Link

Public exploit references

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

Technologies

Your stack

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Your stack

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