Cyber Resilience

CVE-2021-25082

HighPublic PoC

Published: 21 February 2022

Published
21 February 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.2966 96.7th percentile
Risk Priority 35 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-25082 is a high-severity Path Traversal (CWE-22) vulnerability in Sygnoos Popup Builder. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 3.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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…

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issue can lead to RCE vulnerability via wrappers such as PHAR

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

sygnoos
popup builder
≤ 4.0.7

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-22

Validates pathnames and filenames to prevent traversal outside intended directories.

References