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Fencer Intel
medium 4.3

CVE-2012-5104 json

Cross-site scripting (XSS) vulnerability in forums/ubbthreads.php in UBB.threads 7.5.6 and earlier allows remote attackers to inject arbitr…

published 2012-09-23 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-5027

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
1
Exploit-DB

Summary

Cross-site scripting (XSS) vulnerability in forums/ubbthreads.php in UBB.threads 7.5.6 and earlier allows remote attackers to inject arbitrary web script or HTML via the Loginname parameter.

Timeline

  1. First public exploit (EDB-36497)
  2. Published

Exploit prediction

1.99% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-36497 UBBCentral UBB.Threads 7.5.6 - 'Username' Cross-Site Scripting webapps, 2012-01-04
  • packetstormsecurity.org http://packetstormsecurity.org/files/108353/ubbforum-xss.txt referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/51275 referenced PoC, tagged "exploit" by a source, unverified
  • st2tea.blogspot.com http://st2tea.blogspot.com/2012/01/ubb-forum756-cross-site-scripting.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.