CVE-2021-4452Network attack vector

Script execution via unescaped URL parameters

Published Oct 16, 2024 · Updated Apr 8, 2026

Reflected XSS in GTranslate Inc. Translate WordPress – Google Language Translator before 6.0.10 allows remote attackers to run script via URLs. Paid subdomain or subdirectory modes copy URL parameters into generated output without sufficient sanitization or context-appropriate escaping. Execution requires a victim to follow the crafted link in an older browser without proper URL encoding support; the script runs in that user's page context.

CVSS severity7.1
High
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

Reflected XSS in GTranslate Inc. Translate WordPress – Google Language Translator before 6.0.10 allows remote attackers to run script via URLs. Paid subdomain or subdirectory modes copy URL parameters into generated output without sufficient sanitization or context-appropriate escaping. Execution requires a victim to follow the crafted link in an older browser without proper URL encoding support; the script runs in that user's page context.

The record

CVE
CVE-2021-4452
Published
Oct 16, 2024
Updated
Apr 8, 2026
Vendor
GTranslate Inc.
Product
Translate WordPress – Google Language Translator
Classifications
CWE-79, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 16, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2026Record 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 <6.0.10

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

GTranslate Inc. · Translate WordPress – Google Language Translatorversion=0 <6.0.10

Published CVSS scores

5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
7.1WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1204.001User Execution: Malicious Link

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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