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-2026-16260

CVE-2026-16260MEDIUM

Unknown Post Grid, Slider & Carousel Ultimate — Post Grid, Slider & Carousel Ultimate < 1.8.1 - Contributor+ Stored XSS via Header Title Field

  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
  Post Grid, Slider & Carousel Ultimate  unspecified  —

TIMELINE
  Jul 20  Reserved by WPScan
  Aug 22  Published (CNA: WPScan)
  Aug 23  EXPLOIT PUBLISHED — CVE-2026-16260 (Unknown Post Grid, Slider & Carousel Ultimate). Public exploit reference added.

CWE-79 · CNA: WPScan · CVSS v3.1 · 1 reference · NVD status: Deferred

Description

The Post Grid, Slider & Carousel Ultimate WordPress plugin before 1.8.1 does not sanitise and escape one of its custom post type settings before outputting it in an HTML attribute on the admin edit screen, allowing users with the Contributor role and above to inject JavaScript that executes in the session of any administrator who opens the affected item.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
July 20, 2026	Reserved	Reserved by WPScan
August 22, 2026	Published	Published (CNA: WPScan)
August 23, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-16260 (Unknown Post Grid, Slider & Carousel Ultimate). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Unknown	Post Grid, Slider & Carousel Ultimate	—	—	—

Weaknesses

CWE-79

References (1)

https://wpscan.com/vulnerability/87c95831-d1b4-42b2-8fc7-6cba60fca400/

Authoritative record: CVE-2026-16260 at cve.org

Weaknesses: CWE-79

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-16260 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.