WordPress CouponXL theme <= 4.5.0 - Privilege Escalation Vulnerability

published 2025-05-23 17 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-27959

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits: 0; none known

Incorrect Privilege Assignment vulnerability in pebas CouponXL couponxl allows Privilege Escalation.This issue affects CouponXL: from n/a through <= 4.5.0.

Patch / fix

fixed in 1

pebas CouponXL 4.5.1

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 17 mo ago (2025-05-23)

Exploit prediction

0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

pebas CouponXL

Classification

Weakness

CWE-266 Incorrect Privilege Assignment

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/Wordpress/Theme/couponxl/vulnerability/wordpress-couponxl-4-5-0-privilege-escalation-vulnerability?_
vdb-entry

Sources

CVE List CVE-2025-39489
NVD CVE-2025-39489

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