CVE-2006-7243: php Improper Input Validation
Vulnerability summary
CVE-2006-7243 is a medium (CVSS 5.0) Improper Input Validation vulnerability in php. EPSS estimates a 5.36% chance of exploitation in the next 30 days, higher than 92.6% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 7 · Related 4Timeline
- 18-01-2011PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
PHP before 5.3.4 accepts the \0 character in a pathname, which might allow context-dependent attackers to bypass intended access restrictions by placing a safe file extension after this character, as demonstrated by .php\0.jpg at the end of the argument to the file_exists function.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
5.36%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
No change 0.00 pp
From 5.36% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (bugs.php.net)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Php1 product
- phpEOL≤ 5.3.3 | 1.0 | 2.0 | 2.0b10 | 3.0 | 3.0.1 | 3.0.2 | 3.0.3 | 3.0.4 | 3.0.5 | 3.0.6 | 3.0.7 | 3.0.8 | 3.0.9 | 3.0.10 | 3.0.11 | 3.0.12 | 3.0.13 | 3.0.14 | 3.0.15 | 3.0.16 | 3.0.17 | 3.0.18 | 4.0 | 4.0:beta_4_patch1 | 4.0:beta1 | 4.0:beta2 | 4.0:beta3 | 4.0:beta4 | 4.0.0 | 4.0.1 | 4.0.2 | 4.0.3 | 4.0.4 | 4.0.5 | 4.0.6 | 4.0.7 | 4.1.0 | 4.1.1 | 4.1.2 | 4.2.0 | 4.2.1 | 4.2.2 | 4.2.3 | 4.3.0 | 4.3.1 | 4.3.2 | 4.3.3 | 4.3.4 | 4.3.5 | 4.3.6 | 4.3.7 | 4.3.8 | 4.3.9 | 4.3.10 | 4.3.11 | 4.4.0 | 4.4.1 | 4.4.2 | 4.4.3 | 4.4.4 | 4.4.5 | 4.4.6 | 4.4.7 | 4.4.8 | 4.4.9 | 5.0.0 | 5.0.0:beta1 | 5.0.0:beta2 | 5.0.0:beta3 | 5.0.0:beta4 | 5.0.0:rc1 | 5.0.0:rc2 | 5.0.0:rc3 | 5.0.1 | 5.0.2 | 5.0.3 | 5.0.4 | 5.0.5 | 5.1.0 | 5.1.1 | 5.1.2 | 5.1.3 | 5.1.4 | 5.1.5 | 5.1.6 | 5.2.0 | 5.2.1 | 5.2.2 | 5.2.3 | 5.2.4 | 5.2.5 | 5.2.6 | 5.2.7 | 5.2.8 | 5.2.9 | 5.2.10 | 5.2.11 | 5.2.12 | 5.2.13 | 5.2.14 | 5.2.15 | 5.2.16 | 5.2.17 | 5.3.0 | 5.3.1 | 5.3.2
1 vendor · 1 product
References
26 links- www.php.net/releases/5_3_4.phpX Refsource CONFIRM
- www.madirish.net?article=436X Refsource MISC
Show all 26 references
- www.php.net/ChangeLog-5.phpX Refsource CONFIRM
- www.php.net/archive/2010.phpX Refsource CONFIRM
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12569VDB EntrySignatureX Refsource OVAL
- lists.fedoraproject.org/pipermail/package-announce/2015-May/158915.htmlVendor AdvisoryX Refsource FEDORA
- lists.fedoraproject.org/pipermail/package-announce/2015-May/158616.htmlVendor AdvisoryX Refsource FEDORA
- lists.fedoraproject.org/pipermail/package-announce/2015-May/159031.htmlVendor AdvisoryX Refsource FEDORA
- support.apple.com/kb/HT4581X Refsource CONFIRM