CVE-2021-25103Public exploitNetwork attack vector

Reflected XSS via unescaped email body

Published Feb 7, 2022 · Updated Aug 3, 2024

Reflected XSS in GTranslate before 2.9.7 allows remote attackers to execute script in a visitor's browser via a crafted form submission. The gtranslate-email.php endpoint returns the POST body value in its response without sanitizing or escaping it. Exploitation requires NONCE_SALT and NONCE_KEY knowledge plus user interaction, and permits script execution in the site's origin.

CVSS severity4.7
Medium
EPSS probability0.75%
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 before 2.9.7 allows remote attackers to execute script in a visitor's browser via a crafted form submission. The gtranslate-email.php endpoint returns the POST body value in its response without sanitizing or escaping it. Exploitation requires NONCE_SALT and NONCE_KEY knowledge plus user interaction, and permits script execution in the site's origin.

The record

CVE
CVE-2021-25103
Published
Feb 7, 2022
Updated
Aug 3, 2024
Vendor
GTranslate Inc.
Product
GTranslate
Classifications
CWE-79, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 7, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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=2.9.7 <2.9.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

GTranslate Inc. · GTranslateversion=2.9.7 <2.9.7

Published CVSS scores

2.6NIST NVDAV:N/AC:H/Au:N/C:N/I:P/A:N
4.7NIST NVDCVSS:3.1/AV:N/AC:H/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-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

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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