CVE-2026-107323CWE-79cross-site-scripting

CVE-2026-107323

Medium · published October 10, 2026

CVSS v3.1
6.8
EPSS
0%
Percentile
20.5
In the wild
Unconfirmed
What it is

The Gallery PhotoBlocks WordPress plugin before 1.3.6 does not sanitize and escape one of its gallery settings before outputting it into an HTML attribute, allowing users with Contributor-level access and above to store JavaScript that executes in the browser of anyone who views a page containing the gallery, including administrators.

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00290 · 20.5th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-10-10T10:16Z
References (1)
https://wpscan.com/vulnerability/19a8c2db-fb31-4203-83d6-139b35c93a80/ · [email protected]
EPSS history
Timeline
  • 11 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 10 OCT 06:00Z
    Gallery PhotoBlocks 1.3.5 - Contributor+ Stored XSS
    cvelistv5
  • 10 OCT 06:00Z
    Gallery PhotoBlocks 1.3.5 - Contributor+ Stored XSS
    cvelistv5