Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-76558
Unknown WP Import Export Lite — WP Import Export Lite < 3.9.33 - Contributor+ Stored DOM XSS via Custom Field Names
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L H R U H H H 6.8 .0043 35.1 —
AFFECTED
Product Versions Fixed
WP Import Export Lite unspecified —
TIMELINE
Aug 19 Reserved by WPScan
Sep 16 Published (CNA: WPScan)
Sep 17 EXPLOIT PUBLISHED — CVE-2026-76558 (Unknown WP Import Export Lite). Public exploit reference added.
Description
The WP Import Export Lite WordPress plugin before 3.9.33 does not escape custom field names retrieved from the database before inserting them into the DOM of one of its administration screens, allowing users with a role as low as contributor to perform Stored XSS attacks which will trigger in the browser of a high privileged user, such as an administrator, viewing that screen.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| August 19, 2026 | Reserved | Reserved by WPScan |
| September 16, 2026 | Published | Published (CNA: WPScan) |
| September 17, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-76558 (Unknown WP Import Export Lite). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Unknown | WP Import Export Lite | — | — | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-76558 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.