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Fencer Intel
high 7.5

CVE-2011-4453 in the critical feed json

The PageListSort function in scripts/pagelist.php in PmWiki 2.x before 2.2.35 allows remote attackers to execute arbitrary code via PHP seq…

published 2011-12-22 14 y ago modified 2026-06-16 4 mo ago also EUVD-2011-4382

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
52.0%
EPSS 52.0% chance of exploitation in 30 days, percentile 98%
public exploits
3
Metasploit, Exploit-DB

Summary

The PageListSort function in scripts/pagelist.php in PmWiki 2.x before 2.2.35 allows remote attackers to execute arbitrary code via PHP sequences in a crafted order parameter in a pagelist directive, leading to unintended use of the PHP create_function function.

Patch / fix

Timeline

  1. First public exploit (Metasploit exploit/multi/http/pmwiki_pagelist)
  2. Published

Exploit prediction

51.98% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Metasploit exploit/multi/http/pmwiki_pagelist PmWiki pagelist.php Remote PHP Code Injection Exploit metasploit exploit, excellent rank, 2011-11-09
  • EDB-18243 PmWiki 2.2.34 - 'pagelist' Remote PHP Code Injection (2) (Metasploit) webapps, 2011-12-14
  • EDB-18149 PmWiki 2.2.34 - 'pagelist' Remote PHP Code Injection (1) webapps, 2011-11-23
  • pmwiki.org http://www.pmwiki.org/wiki/PITS/01271 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

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.