High
WordPress Polylang plugin <= 3.8.9 - PHP Object Injection vulnerability
Deserialization of Untrusted Data vulnerability in WP SYNTEX Polylang polylang allows Object Injection.This issue affects Polylang: from n/a through 3.8.9.
Announced Group revision 1
Original source ↗CVE-2026-97278
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-97278
Polylang
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "WP SYNTEX",
"product": "Polylang",
"versions": [
{
"status": "affected",
"changes": [
{
"at": "3.8.10",
"status": "unaffected"
}
],
"version": "0",
"versionType": "custom",
"lessThanOrEqual": "3.8.9"
}
],
"packageName": "polylang",
"collectionURL": "https://wordpress.org/plugins",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-97278
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #21971 · Revision 1
- Added to Heist Feed
- Publisher date