MEDIUM
CVE-2021-36877
CWE-352Published: September 27, 2021· Updated: Jun 17, 2026
6.5
CVSS v3.1
Official Description
Cross-Site Request Forgery (CSRF) vulnerability in WordPress uListing plugin (versions <= 2.0.5) makes it possible for attackers to modify user roles.
Technical Analysis
CVE-2021-36877 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 6.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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
All References (4)
→
→
https://wordpress.org/plugins/ulisting/#developersThird Party Advisory
→
→
https://wordpress.org/plugins/ulisting/#developersThird Party Advisory
Quick Facts
CVE IDCVE-2021-36877
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-352
CISA KEVNo
Affected1 vendor(s)
PublishedSep 27, 2021
Related CVEs (CWE-352)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-36877 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.