THREATPORT/VULNERABILITY/CVE-2021-24406
MEDIUM SEVERITY

CVE-2021-24406

Wpforo Forum vulnerability

CVSS
6.1
EPSS
3.4%
EPSS pct
88th
Exploited
No known
The wpForo Forum WordPress plugin before 1.9.7 did not validate the redirect_to parameter in the login form of the forum, leading to an open redirect issue after a successful login. Such issue could allow an attacker to induce a user to use a login URL redirecting to a website under their control and being a replica of the legitimate one, asking them to re-enter their credentials (which will then in the attacker hands)
Affected vendor
Gvectors
Affected product
Wpforo Forum
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness type (CWE)
Published
2021-07-06

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity.

Its EPSS score of 3.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2021-24406

  • Confirm whether Gvectors Wpforo Forum is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-24406.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-24406

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-24406 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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