CVE-2023-5307

Photos and Files Contest Gallery – Contact Form < 21.2.8.1 - Unauthenticated Stored XSS via HTTP Headers

6.1 Medium

The Photos and Files Contest Gallery WordPress plugin before 21.2.8.1 does not sanitise and escape some parameters, which could allow unauthenticated users to perform Cross-Site Scripting attacks via certain headers.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.59%Up 0.5 points since Nov 1, 2023

What each source reports

NVD Score used 6.1

Record: CVE-2023-5307
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List 6.1

Photos and Files Contest Gallery – Contact Form < 21.2.8.1 - Unauthenticated Stored XSS via HTTP Headers

Record: CVE-2023-5307
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

EUVDEUVD-2023-57630 6.1

Record: EUVD-2023-57630
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-hmf3-8cx7-g4jw 6.1

The Photos and Files Contest Gallery WordPress plugin before 21.2.8.1 does not sanitise and...

Record: GHSA-hmf3-8cx7-g4jw
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-5307 is a medium vulnerability (CVSS 6.1) in Contest-gallery Contest Gallery, published October 31, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.59%, the 48th percentile. No source names a fixed version.