THREATPORT/VULNERABILITY/CVE-2021-25082
HIGH SEVERITY

CVE-2021-25082

Popup Builder vulnerability

CVSS
8.8
EPSS
5.2%
EPSS pct
92th
Exploited
No known
The Popup Builder WordPress plugin before 4.0.7 does not validate and sanitise the sgpb_type parameter before using it in a require statement, leading to a Local File Inclusion issue. Furthermore, since the beginning of the string can be controlled, the issue can lead to RCE vulnerability via wrappers such as PHAR
Affected vendor
Sygnoos
Affected product
Popup Builder
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2022-02-21

Risk analysis

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

Its EPSS score of 5.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2021-25082

  • Confirm whether Sygnoos Popup Builder is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-25082.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-25082

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-25082 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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