WordPress Visual Composer Starter theme <= 3.3 - Cross Site Scripting (XSS) vulnerability

published 2024-08-18 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-40155

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 16%
public exploits: 0; none known

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Visual Composer Visual Composer Starter allows Stored XSS.This issue affects Visual Composer Starter: from n/a through 3.3.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-08-19)

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Affected products

Visual Composer Visual Composer Starter

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/vulnerability/visual-composer-starter/wordpress-visual-composer-starter-theme-3-3-cross-site-scripti
vdb-entry

Sources

CVE List CVE-2024-43263
NVD CVE-2024-43263

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary