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Gallery PhotoBlocks 1.3.5 - Contributor+ Stored XSS

Type: advisorySource: Official CVE List1 source record

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.

Announced Group revision 1
Original source ↗

CVE-2026-107323

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-107323

Gallery PhotoBlocks

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "Unknown",
    "product": "Gallery PhotoBlocks",
    "versions": [
      {
        "status": "affected",
        "version": "1.3.5",
        "lessThan": "1.3.6",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-107323

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#16612 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement