HomeWordPress vulnerabilitiesPolylang
Polylang vulnerabilities
Polylang has 2 known vulnerabilities in this database. The most recent published record is dated 5 Oct 2026.
- Known vulnerabilities
- 2
- Active installs
- 800,000+
- Latest version
- 3.8.10
- Last updated
- 28 Sep 2026
- Most recent
- 5 Oct 2026
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Broken access control CVE-2026-39783 | Medium 4.3 | Up to 3.8.7 | Fixed in a later version (latest 3.8.10) | 2 d ago |
| Cross-site scripting (XSS) CVE-2014-4855 | Not scored | Up to 1.5.1 | Fixed in a later version (latest 3.8.10) | 10 Jul 2014 |
Read the published descriptions
- CVE-2026-39783, 5 Oct 2026
- Missing Authorization vulnerability in WP SYNTEX Polylang polylang allows Retrieve Embedded Sensitive Data.This issue affects Polylang: from n/a through 3.8.7. CVE record
- CVE-2014-4855, 10 Jul 2014
- Cross-site scripting (XSS) vulnerability in the Polylang plugin before 1.5.2 for WordPress allows remote attackers to inject arbitrary web script or HTML via vectors related to a user description. NOTE: some of these details are obtained from third party information. CVE record
What to do if you run Polylang
If you run Polylang, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
Email me about new Polylang vulnerabilities
Free. We email you when a new vulnerability is published for Polylang, usually within minutes. Confirm by email; unsubscribe any time.
Focus on your business. We’ll take care of your website.
From everyday updates to ongoing care, we keep your website working.