CVE-2025-62939Network attack vector

Contributor-level stored XSS via insufficient output escaping

Published Oct 27, 2025 · Updated Oct 27, 2025

Stored XSS in Open Currency Converter 1.5.0 and earlier allows remote authenticated users to inject scripts into WordPress pages. Published sources attribute the flaw to insufficient input sanitization and output escaping but do not identify the affected field or function. Contributor-level access is required, and the stored script executes when another user opens the injected page, enabling page-context data access or actions.

CVSS severity6.5
Medium
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Open Currency Converter 1.5.0 and earlier allows remote authenticated users to inject scripts into WordPress pages. Published sources attribute the flaw to insufficient input sanitization and output escaping but do not identify the affected field or function. Contributor-level access is required, and the stored script executes when another user opens the injected page, enabling page-context data access or actions.

The record

CVE
CVE-2025-62939
Published
Oct 27, 2025
Updated
Oct 27, 2025
Vendor
Joe Hawes
Product
Open Currency Converter
Classifications
CWE-79, CAPEC-592
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 27, 2025CVE publishedPublication date reported by the CVE source.
  2. Oct 27, 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=n/a <=<= 1.5.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Joe Hawes · Open Currency Converterversion=n/a <=<= 1.5.0

Published CVSS scores

6.5PatchstackCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
5.4CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-592Stored XSS

Public exploit references

No public exploit references are available in this record.

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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