MEDIUM
Flat PHP Board 1.2 and earlier allows remote attackers to bypass authentication and obtain limited access to an arbitrary user account via the fpb_username cookie
Published Dec 17, 2007
5.0
MEDIUMCVSS 2.0
EPSS 2.45%
Description
Flat PHP Board 1.2 and earlier allows remote attackers to bypass authentication and obtain limited access to an arbitrary user account via the fpb_username cookie.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.45% 0.02447
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02447
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.45% (0.02447) | 83.77th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.45% (0.02447) | 82.18th | v5 (v2026.06.15) |
| Mar 17, 2025 | 3.25% (0.03245) | 86.26th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.57% (0.01572) | 87.78th | v3 (v2023.03.01) |
| Oct 20, 2024 | 1.57% (0.01572) | 87.59th | v3 (v2023.03.01) |
| Jun 28, 2024 | 0.34% (0.00338) | 71.54th | v3 (v2023.03.01) |
| May 20, 2024 | 0.32% (0.00324) | 70.64th | v3 (v2023.03.01) |
| Apr 12, 2024 | 0.29% (0.00294) | 68.88th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.32% (0.00319) | 69.73th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.32% (0.00319) | 65.80th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
Weaknesses (1)
References (4)
- http://osvdb.org/43678 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/archive/1/484803/100/100/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/26782 vdb-entryx_refsource_BID
- https://www.exploit-db.com/exploits/4705 exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/43678 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/archive/1/484803/100/100/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/26782 | vdb-entryx_refsource_BID | |
| https://www.exploit-db.com/exploits/4705 | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 17, 2007
Updated Aug 7, 2024
Reserved Dec 17, 2007
Link CVE-2007-6398
CISA Vulnrichment
Updated n/a