Vulnerability · Published Jul 31, 2026 · Assigned by WPScan
CVE-2026-14833Lightbox with PhotoSwipe < 5.9.0 - Author+ Stored XSS via data-lbwps-caption Attribute
Medium 6.8
In plain English
A medium-severity cross-site scripting in Lightbox with PhotoSwipe from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).
Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.4%top 62.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Lightbox with PhotoSwipe | 0 – before 5.9.0 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
References
- https://wpscan.com/vulnerability/aae59cb8-b259-464e-a86b-164d89f61342/ exploit, vdb-entry, technical-description