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Fencer Vulns
high 8.8

CVE-2021-24892 json

Advanced Forms < 1.6.9 - Subscriber+ Arbitrary User Email Address Update via IDOR

published 2021-11-23 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11804

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

Insecure Direct Object Reference in edit function of Advanced Forms (Free & Pro) before 1.6.9 allows authenticated remote attacker to change arbitrary user's email address and request for reset password, which could lead to take over of WordPress's administrator account. To exploit this vulnerability, an attacker must register to obtain a valid WordPress's user and use such user to authenticate with WordPress in order to exploit the vulnerable edit function.

Patch / fix

  • advanced_forms_project advanced_forms 1.6.9

Exploit prediction

1.86% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/364b0843-a990-4204-848a-60c928cc5bc0 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

  • TODO Advanced Forms Ppro
  • TODO Advanced Forms

Classification

Weakness
  • CWE-639 Authorization Bypass Through User-Controlled Key
Technology feeds

References

Sources

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.