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CVE-2011-4451· NVD / CVE Program· CNA mitre

libs/Wakka.class.php in WikkaWiki 1.3.1 and 1.3.2, when the spam_logging option is enabled, allows remote attackers to write arbitrary PHP c

libs/Wakka.class.php in WikkaWiki 1.3.1 and 1.3.2, when the spam_logging option is enabled, allows remote attackers to write arbitrary PHP code to the spamlog_path file via the User-Agent HTTP header in an addcomment request. NOTE: the vendor disputes this issue because the rendering of the spamlog_path file never uses the PHP interpreter

MediumCVSS 4.3 · v2.0—Weaponized No fix recorded
Published
Sep 5, 2012
Updated
Jun 16, 2026
EPSS
14.2% · 96th percentile
CWE
—
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Report tools

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Action score

21

Monitor

Low priority for now.

CVSS
17 / 40 · 4.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
4 / 30 · 14.2%

Affected systems

VendorProduct
wikkawikiwikkawiki

Affected versions

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

  • wikkawiki wikkawiki1.3.1
  • wikkawiki wikkawiki1.3.2

Same product

wikkawiki: all records

Other highest-scoring records for the same primary product.

  • CVE-2007-2613WikkaWiki (Wikka Wiki) before 1.1.6.3 allows attackers in a shared virtual host server environment to upload and execute an arbitrary config
    33Monitor
  • CVE-2011-4448SQL injection vulnerability in actions/usersettings/usersettings.php in WikkaWiki 1.3.1 and 1.3.2 allows remote attackers to execute arbitra
    31Monitor
  • CVE-2007-2612SQL injection vulnerability in libs/Wakka.class.php in WikkaWiki (Wikka Wiki) before 1.1.6.3 allows remote attackers to execute arbitrary SQ
    30Monitor
  • CVE-2006-7049The Method method in WikkaWiki (Wikka Wiki) before 1.1.6.2 calls the strstr and strrpos functions with the wrong argument order, which allow
    30Monitor
  • CVE-2011-4452Cross-site request forgery (CSRF) vulnerability in the AdminUsers component in WikkaWiki 1.3.1 and 1.3.2 allows remote attackers to hijack t
    28Monitor
  • CVE-2011-4449actions/files/files.php in WikkaWiki 1.3.1 and 1.3.2, when INTRANET_MODE is enabled, supports file uploads for file extensions that are typi
    28Monitor

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 ×1

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 entrywebapps2011-11-30
Metasploit moduleexploit/multi/http/wikka_spam_execWikkaWiki 1.3.2 Spam Logging PHP Injectionexploit2011-11-30

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. First PoC-281 d
  2. Metasploit-281 d
  3. Published
  4. TodaySep 30, 2026+5138 d
EPSS, last 120 days+1% in 7 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

    If successful

    Confidentiality
    none
    Integrity
    P · data or configuration can be modified
    Availability
    none
    Attack complexity
    M
    Confidentiality impact
    None
    Integrity impact
    P
    Availability impact
    None

    Weakness class (CWE)

    —

    CVSS vector

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

    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.

    MITRE has no CAPEC/ATT&CK mapping for this CWE.

    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.

    We use this product, ask for help

    Change log

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

    All records