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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-0555

21
FAUCET Score

CVE-2026-0555 is a Stored Cross-Site Scripting (XSS) vulnerability affecting the Premmerce plugin for WordPress, specifically versions up to and including 1.3.20. It allows authenticated attackers with subscriber-level access or higher to inject malicious web scripts into the Premmerce Wizard admin page due to insufficient input sanitization and missing capability checks. The vulnerability has a CVSS score of 6.4 (Medium), indicating a network-based attack with low complexity, requiring low privileges, and resulting in low impact to confidentiality and integrity. There is currently no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) or significant community discussion has been observed.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0, <= 1.3.20CPE match
cpe:2.3:a:premmerce:premmerce:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

6.4MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.1
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.24%
Probability of exploitation in next 30 days
EPSS Percentile
15.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0024 is in the 18th percentile among its peer group of 21,957 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

plugins.trac.wordpress.org / browser/premmerce/tags/1.3.20/src/Admin/Admin.php
plugins.trac.wordpress.org / browser/premmerce/tags/1.3.20/src/Admin/Handlers/WizardHandler.php
plugins.trac.wordpress.org / browser/premmerce/tags/1.3.20/src/Api/WizardApi.php
plugins.trac.wordpress.org / browser/premmerce/tags/1.3.20/views/admin/tabs/wizard.php
plugins.trac.wordpress.org / changeset/3464825
wordfence.com / threat-intel/vulnerabilities/id/90b2a644-19a0-43a1-8ff6-7486d7ef29b3