6.1

CVE-2023-5307: contest-gallery contest_gallery Cross-site Scripting

CVSS: 6.1v3.1MediumModified
Published 31-10-2023Last modified 22-04-2025
Open JSON

Vulnerability summary

CVE-2023-5307 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in contest-gallery contest_gallery. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 41.9% of scored vulnerabilities. 2 public exploits are recorded. Fixed in 21.2.8.1.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.50%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Timeline

  1. 31-10-2023
    PublishedVulnerability first disclosed.
  2. 22-04-2025
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.50%

Chance of exploitation in the next 30 days

Percentile

42%

Versus all other CVEs

30-day change

0.00 pp

From 0.50% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.50%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (wpscan.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (research.cleantalk.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Contest-gallery1 product
Unknown1 product
Wordpress1 product
  • contest-gallery< 21.2.8.1

3 vendors · 3 products

References

3 links