The InfiniteWP Client plugin before 1.9.4.5 for WordPress has a missing authorization check in iwp_mmb_set_request in init.php.

published 2020-02-06 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-29620

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 87.7%; EPSS 87.7% chance of exploitation in 30 days, percentile 99.7%
public exploits: 1; Metasploit, plus a Nuclei check

The InfiniteWP Client plugin before 1.9.4.5 for WordPress has a missing authorization check in iwp_mmb_set_request in init.php. Any attacker who knows the username of an administrator can log in.

Patch / fix

fixed in 1

revmakx infinitewp_client 1.9.4.5

Timeline

2020-01-14 First public exploit (Metasploit exploit/unix/webapp/wp_infinitewp_auth_bypass)
2020-02-06 Published

Exploit prediction

87.68% chance of exploitation in the next 30 days, higher than 99.7% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Metasploit exploit/unix/webapp/wp_infinitewp_auth_bypass WordPress InfiniteWP Client Authentication Bypass metasploit exploit, manual rank, 2020-01-14
Nuclei template WordPress InfiniteWP <1.9.4.5 - Authorization Bypass nuclei detection template
webarxsecurity.com https://www.webarxsecurity.com/vulnerability-infinitewp-client-wp-time-capsule/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-862 Missing Authorization

Technology feeds

WordPress rss critical rss

References

webarxsecurity.com /vulnerability-infinitewp-client-wp-time-capsule/
exploit, third-party-advisory
wpvulndb.com /vulnerabilities/10011
third-party-advisory

Sources

CVE List CVE-2020-8772
NVD CVE-2020-8772

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