Cross-site scripting (XSS) vulnerability in install/forum_data/src/custom_fields.inc.t in FUDforum 3.0.4.1 and earlier, when registering a…

published 2013-08-16 13y ago modified 2026-06-16 4mo ago also EUVD-2013-5149

cvss: 2.6; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits: 0; none known

Cross-site scripting (XSS) vulnerability in install/forum_data/src/custom_fields.inc.t in FUDforum 3.0.4.1 and earlier, when registering a new user, allows remote attackers to inject arbitrary web script or HTML via a custom profile field to index.php. NOTE: some of these details are obtained from third party information.

Patch / fix

links 1

sourceforge.net/p/fudforum/code/5589/ patch

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Exploit prediction

1.20% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

sourceforge.net http://sourceforge.net/p/fudforum/code/5589/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	2.0	2.6	AV:N/AC:H/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

sourceforge.net /p/fudforum/code/5589/
exploit, patch
secunia.com /advisories/54293
third-party-advisory, vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/86030
vdb-entry

Sources

CVE List CVE-2013-5309
NVD CVE-2013-5309

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