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GPTranslate CVE-2026-89278

| EUVDEUVD-2026-82732 MEDIUM
Information Exposure (CWE-200)
2026-09-18 Wordfence GHSA-rm6m-h4m2-65r3
5.3
CVSS 3.1 · Vendor: Wordfence
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Severity by source

Vendor (Wordfence) PRIMARY
5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
vuln.today AI
7.5 HIGH

Remote, unauthenticated, no-interaction fetch of a public page (AV:N/AC:L/PR:N/UI:N); I rate C:H because the leaked asset is a billed provider API key granting full account access, above the vendor's conservative C:L.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (Wordfence).

CVSS VectorVendor: Wordfence

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

3
Metadata Corrected
Sep 18, 2026 - 07:40 vuln.today
tag: PHP added
Analysis Generated
Sep 18, 2026 - 07:24 vuln.today
CVE Published
Sep 18, 2026 - 06:38 nvd
MEDIUM 5.3

DescriptionCVE.org

The GPTranslate - Multilingual AI Translation Agent for WordPress: Translate Your Site with AI plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.34.6 via the enqueue_frontend_scripts. This makes it possible for unauthenticated attackers to extract the plaintext third-party AI provider API key (OpenAI, DeepL, xAI/Grok, Gemini, Claude, or Google Cloud Translation) - a credential granting billed account access - by fetching any public page and applying the inverse transformation bundled in the plugin's own public JavaScript asset. This exposure affects the default configuration (gpt-3.5-turbo in client mode) and all supported non-DeepSeek providers; only deepseek-* models and gpt-* models configured in server-proxy mode correctly suppress key emission.

AnalysisAI

Plaintext third-party AI provider API keys can be extracted from any WordPress site running the GPTranslate - Multilingual AI Translation Agent plugin at version 2.34.6 or earlier, because the plugin emits the stored credential into a public front-end JavaScript asset loaded by enqueue_frontend_scripts. The exposure is unauthenticated and requires no user interaction - an attacker only needs to fetch any public page and apply the inverse transformation that is itself bundled in the plugin's own public JavaScript to recover the key in cleartext (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N, 5.3 Medium as published; our assessment raises the confidentiality component to High given that a raw billing-capable credential is disclosed, yielding 7.5). …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Vulnerability AssessmentAI

Exploitation Exploitable against the DEFAULT configuration: gpt-3.5-turbo in client mode, and all supported non-DeepSeek providers (OpenAI, DeepL, xAI/Grok, Gemini, Claude, Google Cloud Translation) emit the key. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N = 5.3 Medium) describes a fully remote, unauthenticated, no-interaction disclosure requiring only an HTTP GET of any public page - signals that normally push exploitation likelihood high. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Vendor fix status: upstream fix available (changeset/commit at https://plugins.trac.wordpress.org/changeset?reponame=&old=3693232%40gptranslate&new=3693232%40gptranslate); a released patched version number is not independently confirmed in the available data, so treat 2.34.6 as the last known-vulnerable release and apply the vendor update as soon as a build containing changeset 3693232 is published. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-89278 vulnerability details – vuln.today

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