CVE-2020-5502 json
phpBB allows CSRF
published 2020-01-14 6 y ago modified 2026-06-17 4 mo ago also BIT-phpbb-2020-5502 , EUVD-2022-2764 , GHSA-69q7-hww4-8pjq
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 38%
- public exploits
- 0
- none known
Summary
phpBB 3.2.8 allows a CSRF attack that can approve pending group memberships.
Patch / fix
- packagist phpbb/phpbb 3.2.9
Exploit prediction
0.43% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| GitHub | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| OSV | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | phpbb/phpbb | <3.2.9 |
3.2.9 |
| bitnami | phpbb | >=3.2.8, <=3.2.8 |
no fix listed |
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
References
-
blog.phpbb.com
/category/security/
vendor-advisory, web
-
phpbb.com
/community/viewtopic.php?f=14&t=2534536
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-5502
advisory
-
github.com
/phpbb/phpbb
package
Sources
- CVE List CVE-2020-5502
- GitHub Advisory GHSA-69q7-hww4-8pjq
- NVD CVE-2020-5502
- OSV BIT-phpbb-2020-5502
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