6.5

CVE-2026-39483: WordPress VK All in One Expansion Unit plugin <= 9.113.3 - Cross Site Scripting (XSS) vulnerability

Deferred
Published 08-04-2026Last modified 29-04-2026

Vulnerability summary

CVE-2026-39483 is a medium (CVSS 6.5) Cross-site Scripting vulnerability in hidekazu ishikawa vk all in one expansion unit. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.3% of scored vulnerabilities. Fixed in 9.113.4.

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 · +0.07 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 08-04-2026
    PublishedVulnerability first disclosed.
  2. 29-04-2026
    Last modifiedVulnerability information updated.

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Hidekazu Ishikawa VK All in One Expansion Unit vk-all-in-one-expansion-unit allows Stored XSS.This issue affects VK All in One Expansion Unit: from n/a through <= 9.113.3.

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

Increase +0.07 pp

From 0.16% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Hidekazu ishikawa1 product
Wordpress1 product
  • vk-all-in-one-expansion-unit≤ 9.113.3 (fixed in 9.113.4)

2 vendors · 2 products

References

2 links