How severe is CVE-2025-48828?

CVE-2025-48828 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-48828 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 47% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-48828?

CVE-2025-48828 affects Vbulletin. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-48828?

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

Does CVE-2025-48828 have an EU (EUVD) identifier?

Yes. CVE-2025-48828 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28268.

When was CVE-2025-48828 published?

CVE-2025-48828 was published on 2025-05-27 and last updated on 2026-06-17.

CVE-2025-48828

CVE-2025-48828 is a critical-severity vulnerability in Vbulletin with a CVSS 3.x base score of 9.0. Its EPSS exploit-prediction score of 47% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-424.

Key facts

Severity: Critical (CVSS 3.x base score 9.0)
EPSS exploit prediction: 47% (99th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-28268
Weakness: CWE-424
Affected product: Vbulletin
Published: 2025-05-27
Last modified: 2026-06-17

Description

Certain vBulletin versions might allow attackers to execute arbitrary PHP code by abusing Template Conditionals in the template engine. By crafting template code in an alternative PHP function invocation syntax, such as the "var_dump"("test") syntax, attackers can bypass security checks and execute arbitrary PHP code, as exploited in the wild in May 2025.

Frequently asked questions

What is CVE-2025-48828?: Certain vBulletin versions might allow attackers to execute arbitrary PHP code by abusing Template Conditionals in the template engine. By crafting template code in an alternative PHP function invocation syntax, such as the "var_dump"("test") syntax, attackers can bypass security checks and execute arbitrary PHP code, as exploited in the wild in May 2025.
How severe is CVE-2025-48828?: CVE-2025-48828 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-48828 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 47% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-48828?: CVE-2025-48828 affects Vbulletin. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-48828?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-48828 have an EU (EUVD) identifier?: Yes. CVE-2025-48828 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28268.
When was CVE-2025-48828 published?: CVE-2025-48828 was published on 2025-05-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:vbulletin:vbulletin:6.0.3:*:*:*:*:*:*:*

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Other CWE-424 vulnerabilities

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