HOMEVULNERABILITIESCVE-2016-9135
HIGH

CVE-2016-9135

CWE-89Published: November 3, 2016· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Exponent CMS 2.3.9 suffers from a SQL injection vulnerability in "/framework/modules/help/controllers/helpController.php" affecting the version parameter. Impact is Information Disclosure.

NVD Source

Technical Analysis

CVE-2016-9135 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

exponentcms1 product(s)
exponent cms
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://github.com/exponentcms/exponent-cms/commit/d5c3c175b60bd26b2b74ec85b8f0d2544db2c8db
PATCHhttps://github.com/exponentcms/exponent-cms/commit/d5c3c175b60bd26b2b74ec85b8f0d2544db2c8db
ADVISORYhttp://www.securityfocus.com/bid/94127
ADVISORYhttp://www.securityfocus.com/bid/94127

All References (4)

→
http://www.securityfocus.com/bid/94127Third Party Advisory · VDB Entry
→
https://github.com/exponentcms/exponent-cms/commit/d5c3c175b60bd26b2b74ec85b8f0d2544db2c8dbIssue Tracking · Patch · Third Party Advisory
→
http://www.securityfocus.com/bid/94127Third Party Advisory · VDB Entry
→
https://github.com/exponentcms/exponent-cms/commit/d5c3c175b60bd26b2b74ec85b8f0d2544db2c8dbIssue Tracking · Patch · Third Party Advisory

Quick Facts

CVE IDCVE-2016-9135
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-89
CISA KEVNo
Affected1 vendor(s)
PublishedNov 3, 2016

Related CVEs (CWE-89)

CVE-2021-42313
10.0
CVE-2024-30498
10.0
CVE-2011-1653
10.0
CVE-2021-42311
10.0
CVE-2022-35942
10.0
CVE-2024-32888
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-9135 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. CVE data is provided under the NVD usage policy.
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