How severe is CVE-2016-7400?

CVE-2016-7400 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-7400 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-7400?

CVE-2016-7400 affects Exponentcms Exponent Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-7400?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2016-7400 published?

CVE-2016-7400 was published on 2017-02-07 and last updated on 2026-06-17.

CVE-2016-7400

CVE-2016-7400 is a critical-severity vulnerability in Exponentcms Exponent Cms with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Exponentcms Exponent Cms
Published: 2017-02-07
Last modified: 2026-06-17

Description

Multiple SQL injection vulnerabilities in Exponent CMS before 2.4.0 allow remote attackers to execute arbitrary SQL commands via the (1) id parameter in an activate_address address controller action, (2) title parameter in a show blog controller action, or (3) content_id parameter in a showComments expComment controller action.

Frequently asked questions

What is CVE-2016-7400?: Multiple SQL injection vulnerabilities in Exponent CMS before 2.4.0 allow remote attackers to execute arbitrary SQL commands via the (1) id parameter in an activate_address address controller action, (2) title parameter in a show blog controller action, or (3) content_id parameter in a showComments expComment controller action.
How severe is CVE-2016-7400?: CVE-2016-7400 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-7400 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-7400?: CVE-2016-7400 affects Exponentcms Exponent Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-7400?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-7400 published?: CVE-2016-7400 was published on 2017-02-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:exponentcms:exponent_cms:*:*:*:*:*:*:*:*

More vulnerabilities in Exponentcms Exponent Cms

CVE-2016-9026 — Critical (CVSS 9.8): Exponent CMS before 2.6.0 has improper input validation in fileController.php.
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CVE-2016-9023 — Critical (CVSS 9.8): Exponent CMS before 2.6.0 has improper input validation in cron/find_help.php.
CVE-2016-9022 — Critical (CVSS 9.8): Exponent CMS before 2.6.0 has improper input validation in usersController.php.
CVE-2016-9021 — Critical (CVSS 9.8): Exponent CMS before 2.6.0 has improper input validation in storeController.php.
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