How severe is CVE-2017-6908?

CVE-2017-6908 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-6908 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-6908?

CVE-2017-6908 affects Concrete5. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-6908?

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

When was CVE-2017-6908 published?

CVE-2017-6908 was published on 2017-03-15 and last updated on 2026-06-17.

CVE-2017-6908

CVE-2017-6908 is a medium-severity vulnerability in Concrete5 with a CVSS 3.x base score of 6.1. 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 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Concrete5
Published: 2017-03-15
Last modified: 2026-06-17

Description

An issue was discovered in concrete5 <= 5.6.3.4. The vulnerability exists due to insufficient filtration of user-supplied data (fID) passed to the "concrete5-legacy-master/web/concrete/tools/files/selector_data.php" URL. An attacker could execute arbitrary HTML and script code in a browser in the context of the vulnerable website.

Frequently asked questions

What is CVE-2017-6908?: An issue was discovered in concrete5 <= 5.6.3.4. The vulnerability exists due to insufficient filtration of user-supplied data (fID) passed to the "concrete5-legacy-master/web/concrete/tools/files/selector_data.php" URL. An attacker could execute arbitrary HTML and script code in a browser in the context of the vulnerable website.
How severe is CVE-2017-6908?: CVE-2017-6908 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-6908 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-6908?: CVE-2017-6908 affects Concrete5. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-6908?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-6908 published?: CVE-2017-6908 was published on 2017-03-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:concrete5:concrete5:*:*:*:*:*:*:*:*

More vulnerabilities in Concrete5

CVE-2017-6905 — Medium (CVSS 6.1): An issue was discovered in concrete5 <= 5.6.3.4. The vulnerability exists due to insufficient filtration of…
CVE-2014-5107 — Medium (CVSS 5.0): concrete5 before 5.6.3 allows remote attackers to obtain the installation path via a direct request to (1)…
CVE-2015-3989 — Medium (CVSS 4.3): Multiple cross-site scripting (XSS) vulnerabilities in concrete5 before 5.7.4 allow remote attackers to inject…
CVE-2015-2250 — Medium (CVSS 4.3): Multiple cross-site scripting (XSS) vulnerabilities in concrete5 before 5.7.4 allow remote attackers to inject…
CVE-2014-9526 — Medium (CVSS 4.3): Multiple cross-site scripting (XSS) vulnerabilities in concrete5 5.7.2.1, 5.7.2, and earlier allow remote attackers to…
CVE-2014-5108 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in single_pages\download_file.php in concrete5 before 5.6.3 allows remote…

All CVEs affecting Concrete5 →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →