CVE-2023-45554
CVE-2023-45554 is a critical-severity vulnerability in Zzzcms with a CVSS 3.x base score of 9.8. 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-434.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 2% (73rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-434
- Affected product: Zzzcms
- Published:
- Last modified:
Description
File Upload vulnerability in zzzCMS v.2.1.9 allows a remote attacker to execute arbitrary code via modification of the imageext parameter from jpg, jpeg,gif, and png to jpg, jpeg,gif, png, pphphp.
Frequently asked questions
- What is CVE-2023-45554?
- File Upload vulnerability in zzzCMS v.2.1.9 allows a remote attacker to execute arbitrary code via modification of the imageext parameter from jpg, jpeg,gif, and png to jpg, jpeg,gif, png, pphphp.
- How severe is CVE-2023-45554?
- CVE-2023-45554 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-45554 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-45554?
- CVE-2023-45554 affects Zzzcms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-45554?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2023-45554 published?
- CVE-2023-45554 was published on 2023-10-25 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:zzzcms:zzzcms:2.1.9:*:*:*:*:*:*:*
More vulnerabilities in Zzzcms
- CVE-2020-19682 — High (CVSS 8.8): A Cross Site Request Forgery (CSRF) vulnerability exits in ZZZCMS V1.7.1 via the save_user funciton in save.php.
- CVE-2023-45555 — High (CVSS 7.8): File Upload vulnerability in zzzCMS v.2.1.9 allows a remote attacker to execute arbitrary code via a crafted file to…
- CVE-2023-5263 — Medium (CVSS 6.3): A vulnerability was found in ZZZCMS 2.1.7 and classified as critical. Affected by this issue is the function restore of…
- CVE-2020-19683 — Medium (CVSS 5.4): A Cross Site Scripting (XSS) exists in ZZZCMS V1.7.1 via an editfile action in save.php.
- CVE-2023-5582 — Low (CVSS 3.5): A vulnerability, which was classified as problematic, has been found in ZZZCMS 2.2.0. This issue affects some unknown…
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