TI-2026-13595 Aliases CVE-2026-16260 GHSA-9jf6-vw36-77hj

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

LOW 30CWE-79Published 2026-08-22 · Updated 2026-08-23

Key facts

Attack vector: Network
Privileges required: High
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00431 37th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix Fixed Post Grid, Slider & Carousel Ultimate (Unknown): 1.8.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Unknown	Post Grid, Slider & Carousel Ultimate	before 1.8.1	1.8.1	Patch available	CNA

Post Grid, Slider & Carousel Ultimate VendorUnknown Affected before 1.8.1 Fixed in 1.8.1 Patch available CNA

Remediation

Fix · CNA Post Grid, Slider & Carousel Ultimate (Unknown) Fixed in 1.8.1

Timeline

2026-10-02 Threatist record created from CVE-2026-16260
2026-10-03 Alias added: GHSA-9jf6-vw36-77hj

References

Exploit 1

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

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences