How severe is CVE-2021-25082?

CVE-2021-25082 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-25082 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25082?

CVE-2021-25082 affects Sygnoos Popup Builder. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-25082?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-25082 published?

CVE-2021-25082 was published on 2022-02-21 and last updated on 2026-06-17.

CVE-2021-25082

CVE-2021-25082 is a high-severity vulnerability in Sygnoos Popup Builder with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Sygnoos Popup Builder
Published: 2022-02-21
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2021-25082?: 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
How severe is CVE-2021-25082?: CVE-2021-25082 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-25082 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25082?: CVE-2021-25082 affects Sygnoos Popup Builder. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-25082?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-25082 published?: CVE-2021-25082 was published on 2022-02-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sygnoos:popup_builder:*:*:*:*:*:wordpress:*:*

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