CVE-2017-6909
CVE-2017-6909 is a medium-severity vulnerability in Shishnet Shimmie 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% (51st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Shishnet Shimmie
- Published:
- Last modified:
Description
An issue was discovered in Shimmie <= 2.5.1. The vulnerability exists due to insufficient filtration of user-supplied data (log) passed to the "shimmie2-master/ext/chatbox/history/index.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-2017-6909?
- An issue was discovered in Shimmie <= 2.5.1. The vulnerability exists due to insufficient filtration of user-supplied data (log) passed to the "shimmie2-master/ext/chatbox/history/index.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-2017-6909?
- CVE-2017-6909 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-2017-6909 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-6909?
- CVE-2017-6909 affects Shishnet Shimmie. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-6909?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2017-6909 published?
- CVE-2017-6909 was published on 2017-03-15 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:shishnet:shimmie:*:*:*:*:*:*:*:*
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