6.5

CVE-2026-45435: melapress wp_activity_log Cross-site Scripting

CVSS: 6.5v3.1MediumDeferred
Published 25-05-2026Last modified 26-05-2026

Vulnerability summary

CVE-2026-45435 is a medium (CVSS 6.5) Cross-site Scripting vulnerability in melapress wp_activity_log. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.2% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.22%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-05-2026
    PublishedVulnerability first disclosed.
  2. 26-05-2026
    Last modifiedVulnerability information updated.

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Melapress WP Activity Log allows DOM-Based XSS. This issue affects WP Activity Log: from n/a through 5.6.3.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

12%

Versus all other CVEs

30-day change

+0.03 pp

From 0.20% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.22%

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

Melapress1 product
Wordpress1 product
  • wp-security-audit-log≤ 5.6.3 (fixed in 5.6.3.1)

2 vendors · 2 products

References

2 links