6.4

CVE-2026-23976: wordpress modula-best-grid-gallery Cross-site Scripting

CVSS: 6.4v3.1MediumDeferred
Published 22-01-2026Last modified 28-04-2026
Open JSON

Vulnerability summary

CVE-2026-23976 is a medium (CVSS 6.4) Cross-site Scripting vulnerability in wordpress modula-best-grid-gallery. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.7% of scored vulnerabilities. Fixed in 2.13.5.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.4/10
010
Medium · v3.1 (wordfence)
EPSS score
0.20%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-01-2026
    PublishedVulnerability first disclosed.
  2. 28-04-2026
    Last modifiedVulnerability information updated.

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WP Chill Modula Image Gallery modula-best-grid-gallery allows Stored XSS.This issue affects Modula Image Gallery: from n/a through <= 2.13.4.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.20%

Chance of exploitation in the next 30 days

Percentile

10%

Versus all other CVEs

30-day change

0.00 pp

From 0.20% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.20%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Wordpress1 product
  • modula-best-grid-gallery≤ 2.13.4 (fixed in 2.13.5)
Wp chill1 product

2 vendors · 2 products

References

2 links