8.1

CVE-2023-0441: simplygallery simply_gallery_blocks_with_lightbox Missing Authorization

CVSS: 8.1v3.1HighModified
Published 27-03-2023Last modified 19-02-2025

Vulnerability summary

CVE-2023-0441 is a high (CVSS 8.1) Missing Authorization vulnerability in simplygallery simply_gallery_blocks_with_lightbox. EPSS estimates a 0.73% chance of exploitation in the next 30 days, higher than 53.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
43/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.73%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 27-03-2023
    PublishedVulnerability first disclosed.
  2. 19-02-2025
    Last modifiedVulnerability information updated.

Description

The Gallery Blocks with Lightbox WordPress plugin before 3.0.8 has an AJAX endpoint that can be accessed by any authenticated users, such as subscriber. The callback function allows numerous actions, the most serious one being reading and updating the WordPress options which could be used to enable registration with a default administrator user role.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.73%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

0.00 pp

From 0.73% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.73%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (wpscan.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Simplygallery1 product
Unknown1 product
Wordpress1 product
  • simply-gallery-block≤ 3.0.7 (fixed in 3.0.8)

3 vendors · 3 products

References

2 links