How severe is CVE-2020-8226?

CVE-2020-8226 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-8226 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8226?

CVE-2020-8226 affects Phpbb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-8226?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-8226 published?

CVE-2020-8226 was published on 2020-08-17 and last updated on 2026-06-17.

CVE-2020-8226

CVE-2020-8226 is a medium-severity vulnerability in Phpbb with a CVSS 3.x base score of 5.8. 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-918.

Key facts

Severity: Medium (CVSS 3.x base score 5.8)
CVSS v2: 5.0
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Phpbb
Published: 2020-08-17
Last modified: 2026-06-17

Description

A vulnerability exists in phpBB <v3.2.10 and <v3.3.1 which allowed remote image dimensions check to be used to SSRF.

Frequently asked questions

What is CVE-2020-8226?: A vulnerability exists in phpBB <v3.2.10 and <v3.3.1 which allowed remote image dimensions check to be used to SSRF.
How severe is CVE-2020-8226?: CVE-2020-8226 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-8226 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8226?: CVE-2020-8226 affects Phpbb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-8226?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-8226 published?: CVE-2020-8226 was published on 2020-08-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phpbb:phpbb:*:*:*:*:*:*:*:*

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