CVE-2005-2540
CRLF injection vulnerability in FlatNuke 2.5.5 and possibly earlier versions allows remote...
CVE-2005-2540 is a medium vulnerability (CVSS 5.0) in Flatnuke, published August 10, 2005. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.10%, the 93rd percentile. No source names a fixed version.
CRLF injection vulnerability in FlatNuke 2.5.5 and possibly earlier versions allows remote attackers to execute arbitrary PHP commands via an ASCII char 13 (carriage return) in the signature field, which is injected into a PHP script without a preceding comment character, which can then be executed by a direct request.
Exploit likelihood
What each source reports
NVD Score used
CRLF injection vulnerability in FlatNuke 2.5.5 and possibly earlier versions allows remote attackers to execute arbitrary PHP commands via an ASCII char 13 (carriage return) in the signature field, which is injected into a PHP script without a preceding comment character, which can then be executed by a direct request.
- Record
CVE-2005-2540- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
CRLF injection vulnerability in FlatNuke 2.5.5 and possibly earlier versions allows remote attackers to execute arbitrary PHP commands via an ASCII char 13 (carriage return) in the signature field, which is injected into a PHP script without a preceding comment character, which can then be executed by a direct request.
- Record
CVE-2005-2540- Updated
- 2026-11-02
EUVDEUVD-2005-2541 No score
CRLF injection vulnerability in FlatNuke 2.5.5 and possibly earlier versions allows remote attackers to execute arbitrary PHP commands via an ASCII char 13 (carriage return) in the signature field, which is injected into a PHP script without a preceding comment character, which can then be executed by a direct request.
- Record
EUVD-2005-2541- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x95g-j2cv-5p33 No score
CRLF injection vulnerability in FlatNuke 2.5.5 and possibly earlier versions allows remote...
CRLF injection vulnerability in FlatNuke 2.5.5 and possibly earlier versions allows remote attackers to execute arbitrary PHP commands via an ASCII char 13 (carriage return) in the signature field, which is injected into a PHP script without a preceding comment character, which can then be executed by a direct request.
- Record
GHSA-x95g-j2cv-5p33- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Flatnuke 2.5.5 - Remote Code Execution | 2005-08-08 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, Exploit-DB, GitHub Advisories, NVD |