WordPress UpsellWP plugin <= 2.2.4 - SQL Injection vulnerability

published 2026-03-13 7 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-12017

cvss: 8.5; 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 Special Elements used in an SQL Command ('SQL Injection') vulnerability in flycart UpsellWP checkout-upsell-and-order-bumps allows Blind SQL Injection.This issue affects UpsellWP: from n/a through <= 2.2.4.

Patch / fix

fixed in 1

flycart UpsellWP 2.2.5

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 7 mo ago (2026-03-13)

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	7.6	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
CISA ADP	3.1	8.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L
CNA	3.1	8.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L

Affected products

flycart UpsellWP

Classification

Weakness

CWE-89 Improper Neutralization of Special Elements used in an SQL Command

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/Wordpress/Plugin/checkout-upsell-and-order-bumps/vulnerability/wordpress-upsellwp-plugin-2-2-4-sql-i
vdb-entry

Sources

CVE List CVE-2026-32459
NVD CVE-2026-32459

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