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Fencer Intel
medium 4.3

CVE-2011-5190 json

Multiple cross-site scripting (XSS) vulnerabilities in Social Book Facebook Clone 2010 allow remote attackers to inject arbitrary web scrip…

published 2012-09-20 14 y ago modified 2026-06-16 4 mo ago also EUVD-2011-5090

cvss
4.3
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

Summary

Multiple cross-site scripting (XSS) vulnerabilities in Social Book Facebook Clone 2010 allow remote attackers to inject arbitrary web script or HTML via the PATH_INFO parameter to (1) signup.php, (2) lostpass.php, (3) login.php, (4) index.php, (5) help_tos.php, (6) help_contact.php, or (7) help.php.

Exploit prediction

1.21% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • securityfocus.com http://www.securityfocus.com/bid/50840 referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.org http://packetstormsecurity.org/files/view/107344/socialbook-xss.txt 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.