WordPress WPAdverts plugin <= 2.3.3 - Cross Site Scripting (XSS) vulnerability

published 2026-09-10 1 mo ago modified 2026-09-10 1 mo ago also EUVD-2026-75535

cvss: 7.1; 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

Unauthenticated Cross Site Scripting (XSS) in WPAdverts <= 2.3.3 versions.

Patch / fix

fixed in 1

Greg Winiarski WPAdverts 2.3.4

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 1 mo ago (2026-09-10)

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	7.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Affected products

Greg Winiarski WPAdverts

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/wordpress/plugin/wpadverts/vulnerability/wordpress-wpadverts-plugin-2-3-3-cross-site-scripting-xss-v
vdb-entry

Sources

CVE List CVE-2026-84819
NVD CVE-2026-84819

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