CVE-2026-18510 json
TranslatePress <= 3.2.6 - Unauthenticated Stored Cross-Site Scripting via Comment Content
published 3mo ago modified 2mo ago also EUVD-2026-53715
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 34%
- public exploits
- 0
- none known
Summary
The 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.
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 3mo ago
Exploit prediction
0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
Affected products
- cozmoslabs TranslatePress – Translate Multilingual sites with AI Translation
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
- wordfence.com /threat-intel/vulnerabilities/id/ca97a718-7508-4bc0-8f8e-7849eb9a0dc0?source=cve
- plugins.trac.wordpress.org /browser/translatepress-multilingual/tags/3.2.6/includes/class-translation-render.php#L1575
- plugins.trac.wordpress.org /browser/translatepress-multilingual/tags/3.2.6/includes/class-translation-render.php#L1314
- plugins.trac.wordpress.org /browser/translatepress-multilingual/tags/3.2.6/includes/class-translation-render.php#L1232
- plugins.trac.wordpress.org /changeset?reponame=&new=3634273%40translatepress-multilingual%2Ftags%2F3.3&old=3624567%40translatepress-multi
- plugins.trac.wordpress.org /changeset/3634273/translatepress-multilingual/trunk/includes/class-translation-render.php
- plugins.trac.wordpress.org /changeset?old_path=%2Ftranslatepress-multilingual/tags/3.2.6&new_path=%2Ftranslatepress-multilingual/tags/3.3
Sources
- CVE List CVE-2026-18510
- NVD CVE-2026-18510
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.