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CVE-2012-4873

Cross-site scripting (XSS) vulnerability in the file_download function in GNUBoard before 4.34.21...

4.3 MediumPublic exploit

CVE-2012-4873 is a medium vulnerability (CVSS 4.3) in Sir Gnuboard, published September 6, 2012. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.63%, the 76th percentile. No source names a fixed version.

Cross-site scripting (XSS) vulnerability in the file_download function in GNUBoard before 4.34.21 allows remote attackers to inject arbitrary web script or HTML via the filename parameter.

Exploit likelihood

1.63%Down 0.3 points since Feb 4, 2022

What each source reports

NVD Score used 4.3

Cross-site scripting (XSS) vulnerability in the file_download function in GNUBoard before 4.34.21 allows remote attackers to inject arbitrary web script or HTML via the filename parameter.

Record: CVE-2012-4873
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Cross-site scripting (XSS) vulnerability in the file_download function in GNUBoard before 4.34.21 allows remote attackers to inject arbitrary web script or HTML via the filename parameter.

Record: CVE-2012-4873
Updated: 2026-11-02

EUVDEUVD-2012-4798 No score

Cross-site scripting (XSS) vulnerability in the file_download function in GNUBoard before 4.34.21 allows remote attackers to inject arbitrary web script or HTML via the filename parameter.

Record: EUVD-2012-4798
Updated: 2026-11-03

GitHub AdvisoriesGHSA-9wff-jq7p-53m9 No score

Cross-site scripting (XSS) vulnerability in the file_download function in GNUBoard before 4.34.21...

Cross-site scripting (XSS) vulnerability in the file_download function in GNUBoard before 4.34.21 allows remote attackers to inject arbitrary web script or HTML via the filename parameter.

Record: GHSA-9wff-jq7p-53m9
Weakness: CWE-79
Updated: 2026-11-02

Affected products

sir gnuboard

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	GNUBoard 4.34.20 - 'download.php' HTML Injection	2012-03-20

History

History
When	Changed	Sources
2026-11-03	aliases	EUVD
2026-11-02	created	CVE List, Exploit-DB, GitHub Advisories, NVD

References