CVE-2026-14833

MEDIUM

Lightbox with PhotoSwipe < 5.9.0 - Author+ Stored XSS via data-lbwps-caption Attribute

Title source: cna

Description

The Lightbox with PhotoSwipe WordPress plugin before 5.9.0 does not sanitise or escape a link data attribute before rendering it into the image lightbox caption in the browser, allowing users with author-level access and above (who lack the unfiltered_html capability) to store JavaScript that runs when a visitor or administrator opens the lightbox.

References (1)

Core 1

Core References

Exploit exploit vdb-entry technical-description

https://wpscan.com/vulnerability/aae59cb8-b259-464e-a86b-164d89f61342/

Scores

CVSS v3 6.8

EPSS 0.0024

EPSS Percentile 14.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (1)

None/Lightbox with PhotoSwipe < 5.9.0

Published Jul 31, 2026

Tracked Since Jul 31, 2026