HOMEVULNERABILITIESCVE-2016-7902
HIGH

CVE-2016-7902

CWE-434Published: January 4, 2017· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

Unrestricted file upload vulnerability in the fileUnzip->unzip method in Dotclear before 2.10.3 allows remote authenticated users with permissions to manage media items to execute arbitrary code by uploading a ZIP file containing a file with a crafted extension, as demonstrated by .php.txt or .php%20.

NVD Source

Technical Analysis

CVE-2016-7902 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

dotclear1 product(s)
dotclear
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://dotclear.org/blog/post/2016/11/01/Dotclear-2.10.3
PATCHhttps://hg.dotclear.org/dotclear/rev/a9db771a5a70
PATCHhttps://dotclear.org/blog/post/2016/11/01/Dotclear-2.10.3
PATCHhttps://hg.dotclear.org/dotclear/rev/a9db771a5a70

All References (8)

→
http://www.openwall.com/lists/oss-security/2016/10/05/6Mailing List
→
http://www.securityfocus.com/bid/93440
→
https://dotclear.org/blog/post/2016/11/01/Dotclear-2.10.3Patch · Vendor Advisory
→
https://hg.dotclear.org/dotclear/rev/a9db771a5a70Patch
→
http://www.openwall.com/lists/oss-security/2016/10/05/6Mailing List
→
http://www.securityfocus.com/bid/93440
→
https://dotclear.org/blog/post/2016/11/01/Dotclear-2.10.3Patch · Vendor Advisory
→
https://hg.dotclear.org/dotclear/rev/a9db771a5a70Patch

Quick Facts

CVE IDCVE-2016-7902
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-434
CISA KEVNo
Affected1 vendor(s)
PublishedJan 4, 2017

Related CVEs (CWE-434)

CVE-2024-0916
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CVE-2024-31377
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CVE-2023-23656
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CVE-2023-49815
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CVE-2024-31115
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CVE-2024-32700
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Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-7902 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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