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Fencer Intel
medium 5.8

CVE-2020-8226 json

phpBB Server-Side Request Forgery Vulnerability

published 6y ago modified 4mo ago also BIT-phpbb-2020-8226 , EUVD-2022-4376 , GHSA-jhm9-h84h-rw83

cvss
5.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

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

Patch / fix

  • packagist phpbb/phpbb 3.2.10, 3.3.1
  • bitnami phpbb 3.2.10, 3.3.1
  • phpbb phpbb 3.2.10, 3.3.1

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Exploit prediction

0.97% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
GitHub 3.1 5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
NVD 3.1 5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N
OSV 3.1 5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
packagist phpbb/phpbb
>=3.2.0, <3.2.10
>=3.3.0, <3.3.1
3.2.10
3.3.1
bitnami phpbb
<3.2.10
>=3.3.0, <3.3.1
3.2.10
3.3.1

Affected products

  • n/a https://github.com/phpbb/phpbb

Classification

Weakness
  • CWE-610 Externally Controlled Reference to a Resource in Another Sphere
  • CWE-918 Server-Side Request Forgery

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.