How severe is CVE-2017-14523?

CVE-2017-14523 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2017-14523 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-14523?

CVE-2017-14523 affects Wondercms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-14523?

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

When was CVE-2017-14523 published?

CVE-2017-14523 was published on 2018-01-26 and last updated on 2026-06-17.

CVE-2017-14523

CVE-2017-14523 is a high-severity vulnerability in Wondercms with a CVSS 3.x base score of 7.5. 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-74.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Wondercms
Published: 2018-01-26
Last modified: 2026-06-17

Description

WonderCMS 2.3.1 is vulnerable to an HTTP Host header injection attack. It uses user-entered values to redirect pages. NOTE: the vendor reports that exploitation is unlikely because the attack can only come from a local machine or from the administrator as a self attack

Frequently asked questions

What is CVE-2017-14523?: WonderCMS 2.3.1 is vulnerable to an HTTP Host header injection attack. It uses user-entered values to redirect pages. NOTE: the vendor reports that exploitation is unlikely because the attack can only come from a local machine or from the administrator as a self attack
How severe is CVE-2017-14523?: CVE-2017-14523 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2017-14523 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-14523?: CVE-2017-14523 affects Wondercms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-14523?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-14523 published?: CVE-2017-14523 was published on 2018-01-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wondercms:wondercms:2.3.1:*:*:*:*:*:*:*

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