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Fencer Intel
medium 4.3

CVE-2011-1838 json

Multiple cross-site scripting (XSS) vulnerabilities in TemplateLogin.pm in TWiki before 5.0.2 allow remote attackers to inject arbitrary we…

published 2011-05-20 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-1836

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 86%
public exploits
1
Exploit-DB

Summary

Multiple cross-site scripting (XSS) vulnerabilities in TemplateLogin.pm in TWiki before 5.0.2 allow remote attackers to inject arbitrary web script or HTML via the origurl parameter to a (1) view script or (2) login script.

Patch / fix

Timeline

  1. First public exploit (EDB-35761)
  2. Published

Exploit prediction

2.73% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-35761 TWiki 5.0.1 - 'origurl' Cross-Site Scripting webapps, 2011-05-18
  • mavitunasecurity.com http://www.mavitunasecurity.com/XSS-vulnerability-in-Twiki/ referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/47899 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.