How severe is CVE-2018-17835?

CVE-2018-17835 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-17835 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17835?

CVE-2018-17835 affects Get-simple Getsimple Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-17835?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-17835 published?

CVE-2018-17835 was published on 2018-10-01 and last updated on 2026-06-17.

CVE-2018-17835

CVE-2018-17835 is a medium-severity vulnerability in Get-simple Getsimple Cms with a CVSS 3.x base score of 4.8. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Get-simple Getsimple Cms
Published: 2018-10-01
Last modified: 2026-06-17

Description

An issue was discovered in GetSimple CMS 3.3.15. An administrator can insert stored XSS via the admin/settings.php Custom Permalink Structure parameter, which injects the XSS payload into any page created at the admin/pages.php URI.

Frequently asked questions

What is CVE-2018-17835?: An issue was discovered in GetSimple CMS 3.3.15. An administrator can insert stored XSS via the admin/settings.php Custom Permalink Structure parameter, which injects the XSS payload into any page created at the admin/pages.php URI.
How severe is CVE-2018-17835?: CVE-2018-17835 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-17835 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17835?: CVE-2018-17835 affects Get-simple Getsimple Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-17835?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-17835 published?: CVE-2018-17835 was published on 2018-10-01 and last updated on 2026-06-17.

References

https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1298

Affected products (1)

cpe:2.3:a:get-simple:getsimple_cms:3.3.15:*:*:*:*:*:*:*

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