TranslatePress <= 3.2.6 - Unauthenticated Stored Cross-Site Scripting via Comment Content

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-18510
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-06 07:16:29 UTC
Updated2026-08-12 21:00:52 UTC
DescriptionThe TranslatePress – Translate Multilingual sites with AI Translation plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content (URL-encoded gettext markers) in all versions up to, and including, 3.2.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Comment moderation may delay exploitation for first-time commenters, but does not prevent it, as the payload uses only WordPress-permitted tags and attributes with percent-encoded characters that pass wp_kses URL validation unmodified.

Risk And Classification

Primary CVSS: v3.1 7.2 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

EPSS: 0.002430000 probability, percentile 0.155800000 (date 2026-08-14)

Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.2HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
3.1CNADECLARED7.2HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Cozmoslabs TranslatePress Translate Multilingual Sites With AI Translation affected 3.2.6 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/translatepress-multilingual/tags/3.2.6/includes/class... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/changeset [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/changeset/3634273/translatepress-multilingual/trunk/includes/... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/translatepress-multilingual/tags/3.2.6/includes/class... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/translatepress-multilingual/tags/3.2.6/includes/class... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/changeset [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/ca97a718-7508-4bc0-8f8e-7849e... [email protected] www.wordfence.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Pham Duc Anh (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-07-31T17:38:14.000ZVendor Notified
CNA2026-08-05T17:09:31.000ZDisclosed

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