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CVE-2011-4453· NVD / CVE Program· CNA mitre

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

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.

HighCVSS 7.5 · v2.0—Weaponized No fix recorded
Published
Dec 22, 2011
Updated
Jun 16, 2026
EPSS
52.0% · 99th percentile
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Report tools

JSON

Action score

46

Plan

Add it to your regular patch cycle.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
16 / 30 · 52.0%

Affected systems

VendorProduct
pmwikipmwiki

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • pmwiki pmwiki2.0.0
  • pmwiki pmwiki2.0.1
  • pmwiki pmwiki2.0.10
  • pmwiki pmwiki2.0.11
  • pmwiki pmwiki2.0.12
  • pmwiki pmwiki2.0.13
  • pmwiki pmwiki2.0.2
  • pmwiki pmwiki2.0.3
  • pmwiki pmwiki2.0.4
  • pmwiki pmwiki2.0.5
  • pmwiki pmwiki2.0.6
  • pmwiki pmwiki2.0.7
  • pmwiki pmwiki2.0.8
  • pmwiki pmwiki2.0.9
  • pmwiki pmwiki2.1.0
  • pmwiki pmwiki2.1.1
  • pmwiki pmwiki2.1.10
  • pmwiki pmwiki2.1.11
  • pmwiki pmwiki2.1.12
  • pmwiki pmwiki2.1.13

Same product

pmwiki: all records

Other highest-scoring records for the same primary product.

  • CVE-2006-2840Cross-site scripting (XSS) vulnerability in (1) uploads.php and (2) "url links" in PmWiki 2.1.6 and earlier allows remote attackers to injec
    27Monitor
  • CVE-2010-4662PmWiki before 2.2.21 has XSS.
    24Monitor
  • CVE-2006-0479pmwiki.php in PmWiki 2.1 beta 20, with register_globals enabled, allows remote attackers to bypass protection mechanisms that deregister glo
    18Monitor
  • CVE-2005-3849Cross-site scripting (XSS) vulnerability in the Search module in PmWiki up to 2.0.12 allows remote attackers to inject arbitrary web script
    18Monitor
  • CVE-2010-4748Cross-site scripting (XSS) vulnerability in pmwiki.php in PmWiki 2.2.20 allows remote attackers to inject arbitrary web script or HTML via t
    17Monitor
  • CVE-2006-4453Cross-site scripting (XSS) vulnerability in PmWiki before 2.1.18 allows remote attackers to inject arbitrary web script or HTML via unspecif
    17Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Metasploit module ×1
  • Exploit-DB entry ×2

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entrywebapps2011-11-23
Exploit-DB entrywebapps2011-12-14
Metasploit moduleexploit/multi/http/pmwiki_pagelistPmWiki pagelist.php Remote PHP Code Injection Exploitexploit2011-11-09

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Metasploit-43 d
  2. First PoC-29 d
  3. Published
  4. TodaySep 30, 2026+5396 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
P · data can be read
Integrity
P · data or configuration can be modified
Availability
P · the service can be disrupted
Attack complexity
Low
Confidentiality impact
P
Integrity impact
P
Availability impact
P

Weakness class (CWE)

CWE-94 · Improper Control of Generation of Code ('Code Injection')

CVSS vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

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