CVE-2025-56304
CVE-2025-56304 is a medium-severity vulnerability in Yzmcms 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)
- EPSS exploit prediction: 0% (9th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-30915
- Weakness: CWE-79
- Affected product: Yzmcms
- Published:
- Last modified:
Description
Cross-site scripting (XSS) vulnerability in YzmCMS thru 7.3 via the referer header in the register page.
Frequently asked questions
- What is CVE-2025-56304?
- Cross-site scripting (XSS) vulnerability in YzmCMS thru 7.3 via the referer header in the register page.
- How severe is CVE-2025-56304?
- CVE-2025-56304 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-2025-56304 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-56304?
- CVE-2025-56304 affects Yzmcms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-56304?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-56304 have an EU (EUVD) identifier?
- Yes. CVE-2025-56304 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30915.
- When was CVE-2025-56304 published?
- CVE-2025-56304 was published on 2025-09-23 and last updated on 2026-07-05.
References
EU advisories (EUVD)
Affected products (1)
- cpe:2.3:a:yzmcms:yzmcms:*:*:*:*:*:*:*:*
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