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Fencer Intel
medium 4.3

CVE-2011-2743 json

Multiple cross-site scripting (XSS) vulnerabilities in Chyrp 2.1 and earlier allow remote attackers to inject arbitrary web script or HTML…

published 2011-07-19 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-2718

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
2
Exploit-DB

Summary

Multiple cross-site scripting (XSS) vulnerabilities in Chyrp 2.1 and earlier allow remote attackers to inject arbitrary web script or HTML via the action parameter to (1) the default URI or (2) includes/javascript.php, or the (3) title or (4) body parameter to admin/help.php.

Timeline

  1. First public exploit (EDB-35944)
  2. Published

Exploit prediction

2.33% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-35944 Chyrp 2.x - '/includes/JavaScript.php?action' Cross-Site Scripting webapps, 2011-07-13
  • EDB-35943 Chyrp 2.x - '/admin/help.php' Multiple Cross-Site Scripting Vulnerabilities webapps, 2011-07-13
  • justanotherhacker.com http://www.justanotherhacker.com/advisories/JAHx113.txt referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/48672 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.