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CVE-2023-5567

17
FAUCET Score

CVE-2023-5567 describes a Stored Cross-Site Scripting (XSS) vulnerability in the QR Code Tag plugin for WordPress, affecting versions up to and including 1.0. This flaw stems from insufficient input sanitization and output escaping, allowing authenticated attackers with contributor-level permissions or higher to inject malicious web scripts. The vulnerability has a CVSS score of 5.4 (MEDIUM), indicating a low attack complexity and the potential for limited confidentiality and integrity impact if a user accesses an affected page. Currently, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.0CPE matchmatch criteria
cpe:2.3:a:spreendigital:qr_code_tag:*:*:*:*:*: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
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
35.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 53rd percentile among its peer group of 15,239 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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/qr-code-tag/trunk/lib/qrct/QrctWp.php
Product
wordfence.com / threat-intel/vulnerabilities/id/be004002-a3ac-46e9-b0c1-258f05f97b2a
Third Party Advisory