HOMEVULNERABILITIESCVE-2021-4346
HIGH

CVE-2021-4346

CWE-862Published: June 7, 2023· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

The uListing plugin for WordPress is vulnerable to Unauthenticated Arbitrary Account Changes in versions up to, and including, 1.6.6. This is due to missing login checks on the stm_listing_profile_edit AJAX action. This makes it possible for unauthenticated attackers to edit any account on the blog, such as changing the admin account's email address.

NVD Source

Technical Analysis

CVE-2021-4346 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Vendors & Products

stylemixthemes1 product(s)
ulisting
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2456786%40ulisting&new=2456786%40ulisting&sfp_email=&sfph_mail=
PATCHhttps://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2456786%40ulisting&new=2456786%40ulisting&sfp_email=&sfph_mail=
ADVISORYhttps://www.wordfence.com/threat-intel/vulnerabilities/id/41800ea9-1ace-42fc-9e7f-d760a126342b?source=cve
ADVISORYhttps://www.wordfence.com/threat-intel/vulnerabilities/id/41800ea9-1ace-42fc-9e7f-d760a126342b?source=cve

All References (6)

→
https://blog.nintechnet.com/wordpress-ulisting-plugin-fixed-multiple-critical-vulnerabilities/Exploit
→
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2456786%40ulisting&new=2456786%40ulisting&sfp_email=&sfph_mail=Patch
→
https://www.wordfence.com/threat-intel/vulnerabilities/id/41800ea9-1ace-42fc-9e7f-d760a126342b?source=cveThird Party Advisory
→
https://blog.nintechnet.com/wordpress-ulisting-plugin-fixed-multiple-critical-vulnerabilities/Exploit
→
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2456786%40ulisting&new=2456786%40ulisting&sfp_email=&sfph_mail=Patch
→
https://www.wordfence.com/threat-intel/vulnerabilities/id/41800ea9-1ace-42fc-9e7f-d760a126342b?source=cveThird Party Advisory

Quick Facts

CVE IDCVE-2021-4346
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-862
CISA KEVNo
Affected1 vendor(s)
PublishedJun 7, 2023

Related CVEs (CWE-862)

CVE-2024-52416
10.0
CVE-2024-6500
10.0
CVE-2024-2086
10.0
CVE-2024-33566
10.0
CVE-2024-6071
10.0
CVE-2026-33712
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-4346 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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