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Fencer Intel
medium 4.3

CVE-2011-3361 json

Cross-site scripting (XSS) vulnerability in CGI/Browse.pm in BackupPC 3.2.0 and possibly other versions before 3.2.1 allows remote attacker…

published 2012-02-18 14 y ago modified 2026-06-16 4 mo ago also EUVD-2011-3325

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

Cross-site scripting (XSS) vulnerability in CGI/Browse.pm in BackupPC 3.2.0 and possibly other versions before 3.2.1 allows remote attackers to inject arbitrary web script or HTML via the num parameter in a browse action to index.cgi.

Patch / fix

  • backuppc Debian 14, Debian 13, Debian 12 3.2.1-2

debian advisories DEBIAN-CVE-2011-3361

Exploit prediction

2.42% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • sourceforge.net http://sourceforge.net/mailarchive/message.php?msg_id=26919997 referenced PoC, tagged "exploit" by a source, unverified
  • htbridge.ch https://www.htbridge.ch/advisory/multiple_xss_vulnerabilities_in_backuppc.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.