CVE-2014-125108Network attack vector

Cross-site scripting via unencoded spelling results

Published Dec 23, 2023 · Updated Aug 6, 2024

Cross-site scripting in W3C Online Spellchecker 20140130 allows remote attackers to inject script through rendered spelling results. The spellchecker format routine prints misspelled words and aspell suggestions derived from a fetched page directly into HTML without output encoding. Exploitation requires a user to submit or follow a crafted page URI and view the response, allowing script execution in that user's browser context.

CVSS severity6.1
Medium
EPSS probability0.48%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in W3C Online Spellchecker 20140130 allows remote attackers to inject script through rendered spelling results. The spellchecker format routine prints misspelled words and aspell suggestions derived from a fetched page directly into HTML without output encoding. Exploitation requires a user to submit or follow a crafted page URI and view the response, allowing script execution in that user's browser context.

The record

CVE
CVE-2014-125108
Published
Dec 23, 2023
Updated
Aug 6, 2024
Vendor
World Wide Web Consortium (W3C)
Product
Online Spellchecker
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 23, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 6, 2024Record 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=20140130

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

World Wide Web Consortium (W3C) · Online Spellcheckerversion=20140130

Published CVSS scores

2.6VulDBAV:N/AC:H/Au:N/C:N/I:P/A:N
6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
3.1VulDBCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
3.1VulDBCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/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 exploitUnconfirmed

Weakness, pattern, technique

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

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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