CVE-2026-14833

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

Published Jul 31, 2026 CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions lightbox With Photoswipe
Vendors & Products Wordpress-extensions
Wordpress-extensions lightbox With Photoswipe
Type Values Removed Values Added
Weaknesses CWE-79
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Lightbox with PhotoSwipe < 5.9.0 - Author+ Stored XSS via data-lbwps-caption Attribute
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Jul 31, 2026, 1:29 PM
Reserved
Jul 6, 2026, 9:51 AM
Status
Deferred
Published
Jul 31, 2026, 7:16 AM
Modified
Aug 26, 2026, 4:31 PM