How severe is CVE-2026-28562?

CVE-2026-28562 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2026-28562 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28562?

CVE-2026-28562 affects Gvectors Wpforo Forum. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28562?

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.

Does CVE-2026-28562 have an EU (EUVD) identifier?

Yes. CVE-2026-28562 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9111.

When was CVE-2026-28562 published?

CVE-2026-28562 was published on 2026-02-28 and last updated on 2026-06-17.

CVE-2026-28562

CVE-2026-28562 is a high-severity vulnerability in Gvectors Wpforo Forum with a CVSS 3.x base score of 8.2. 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-89.

Key facts

Severity: High (CVSS 3.x base score 8.2)
CVSS v4: 8.8
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9111
Weakness: CWE-89
Affected product: Gvectors Wpforo Forum
Published: 2026-02-28
Last modified: 2026-06-17

Description

wpForo 2.4.14 contains an unauthenticated SQL injection vulnerability in Topics::get_topics() where the ORDER BY clause relies on ineffective esc_sql() sanitization on unquoted identifiers. Attackers exploit the wpfob parameter with CASE WHEN payloads to perform blind boolean extraction of credentials from the WordPress database.

Frequently asked questions

What is CVE-2026-28562?: wpForo 2.4.14 contains an unauthenticated SQL injection vulnerability in Topics::get_topics() where the ORDER BY clause relies on ineffective esc_sql() sanitization on unquoted identifiers. Attackers exploit the wpfob parameter with CASE WHEN payloads to perform blind boolean extraction of credentials from the WordPress database.
How severe is CVE-2026-28562?: CVE-2026-28562 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2026-28562 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28562?: CVE-2026-28562 affects Gvectors Wpforo Forum. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28562?: 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.
Does CVE-2026-28562 have an EU (EUVD) identifier?: Yes. CVE-2026-28562 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9111.
When was CVE-2026-28562 published?: CVE-2026-28562 was published on 2026-02-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gvectors:wpforo_forum:*:*:*:*:*:wordpress:*:*

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