How severe is CVE-2017-14979?

CVE-2017-14979 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 high, integrity none, and availability none.

Is CVE-2017-14979 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-14979?

CVE-2017-14979 affects Gxlcms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-14979?

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-2017-14979 published?

CVE-2017-14979 was published on 2017-10-03 and last updated on 2026-06-17.

CVE-2017-14979

CVE-2017-14979 is a high-severity vulnerability in Gxlcms 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.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Gxlcms
Published: 2017-10-03
Last modified: 2026-06-17

Description

Gxlcms uses an unsafe character-replacement approach in an attempt to restrict access, which allows remote attackers to read arbitrary files via modified pathnames in the s parameter to index.php, related to Lib/Admin/Action/TplAction.class.php and Lib/Admin/Common/function.php.

Frequently asked questions

What is CVE-2017-14979?: Gxlcms uses an unsafe character-replacement approach in an attempt to restrict access, which allows remote attackers to read arbitrary files via modified pathnames in the s parameter to index.php, related to Lib/Admin/Action/TplAction.class.php and Lib/Admin/Common/function.php.
How severe is CVE-2017-14979?: CVE-2017-14979 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 high, integrity none, and availability none.
Is CVE-2017-14979 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-14979?: CVE-2017-14979 affects Gxlcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-14979?: 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-2017-14979 published?: CVE-2017-14979 was published on 2017-10-03 and last updated on 2026-06-17.

References

https://github.com/Blck4/blck4/blob/master/Gxlcms%20POC.php

Affected products (1)

cpe:2.3:a:gxlcms:gxlcms:-:*:*:*:*:*:*:*

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