CVE-2026-103897Responsive Lightbox & Gallery <= 2.7.9 - Authenticated (Editor+) Stored Cross-Site Scripting via Comment Content 'title' Attribute
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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The Responsive Lightbox & Gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'comment' parameter in all versions up to, and including, 2.7.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with editor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires the plugin's 'Comments' lightbox setting to be enabled (disabled by default), a moderator to approve the injected comment, and a site visitor to click the affected image to open the lightbox.
- CVSS
- 4.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Wordfence
- NVD analysis
- Deferred
- Record last updated
- Oct 11, 2026
- First seen by InfoSec Signals
- Oct 10, 2026
Affected products
dfactory Responsive Lightbox & Gallery dfactory:responsive_lightbox_and_gallery (from the name) | through 2.7.9 | CNA record |
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/5bb2a893-d254-42bc-8b50-2a88306dbbd7?source=cve
- https://plugins.trac.wordpress.org/browser/responsive-lightbox/tags/2.7.9/includes/class-frontend.php#L410
- https://plugins.trac.wordpress.org/browser/responsive-lightbox/tags/2.7.9/includes/class-frontend.php#L409
- https://plugins.trac.wordpress.org/browser/responsive-lightbox/tags/2.7.9/includes/class-frontend.php#L1981
- https://plugins.trac.wordpress.org/browser/responsive-lightbox/tags/2.7.9/includes/class-frontend.php#L488
- https://plugins.trac.wordpress.org/browser/responsive-lightbox/tags/2.7.9/assets/glightbox/glightbox.js#L1489
- https://plugins.trac.wordpress.org/changeset/3729072
- https://plugins.trac.wordpress.org/changeset/3694843/responsive-lightbox/trunk/includes/class-frontend.php
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.