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TI-2023-04881 Aliases CVE-2023-5307GHSA-hmf3-8cx7-g4jw

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

Priority MEDIUM 60CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00587 48th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and NVD
Fix Fixed Photos and Files Contest Gallery (Unknown): 21.2.8.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownPhotos and Files Contest Gallerybefore 21.2.8.121.2.8.1Patch availableCNA
  • Photos and Files Contest Gallery VendorUnknown Affected before 21.2.8.1 Fixed in 21.2.8.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:contest-gallery:contest_gallery:*:*:*:*:*:wordpress:*:*before 21.2.8.1VulnerableWasiliy Strecker / ContestGallery developer

Remediation

  • Fix · CNA Photos and Files Contest Gallery (Unknown) Fixed in 21.2.8.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-5307
  2. 2026-10-03 Alias added: GHSA-hmf3-8cx7-g4jw

References

Exploit 2

  • TI-2022-03804 Contest Gallery < 19.1.5 - Unauthenticated SQL Injection CVSS 3.1HIGH 7.5
  • TI-2022-03802 Contest Gallery < 19.1.5.1 - Unauthenticated SQL Injection CVSS 3.1HIGH 7.5
  • TI-2024-26556 WordPress Contest Gallery plugin <= 23.1.2 - Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
  • TI-2022-03797 Contest Gallery < 19.1.5 - Admin+ SQL Injection CVSS 3.1MEDIUM 6.5
  • TI-2022-03812 Contest Gallery < 19.1.5 - Author+ SQL Injection CVSS 3.1MEDIUM 6.5
  • TI-2022-03811 Contest Gallery < 19.1.5 - Author+ SQL Injection CVSS 3.1MEDIUM 6.5
See all 36 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences