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Fencer Vulns
medium 4.3

CVE-2007-4874 json

Multiple cross-site scripting (XSS) vulnerabilities in SimpNews 2.41.03 allow remote attackers to inject arbitrary web script or HTML via t…

published 2007-09-26 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-4855

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
2
Exploit-DB

Summary

Multiple cross-site scripting (XSS) vulnerabilities in SimpNews 2.41.03 allow remote attackers to inject arbitrary web script or HTML via the (1) l_username parameter to admin/layout2b.php, and the (2) backurl parameter to comment.php.

Timeline

  1. First public exploit (EDB-30618)
  2. Published

Exploit prediction

1.82% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-30618 SimpNews 2.41.3 - 'backurl' Cross-Site Scripting webapps, 2007-09-25
  • EDB-30617 SimpNews 2.41.3 - 'l_username' Cross-Site Scripting webapps, 2007-09-25

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 Vulns 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.