How severe is CVE-2023-26578?

CVE-2023-26578 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-26578 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26578?

CVE-2023-26578 affects Idattend Idweb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26578?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-26578 published?

CVE-2023-26578 was published on 2023-10-25 and last updated on 2026-06-17.

CVE-2023-26578

CVE-2023-26578 is a high-severity vulnerability in Idattend Idweb with a CVSS 3.x base score of 8.8. 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: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Idattend Idweb
Published: 2023-10-25
Last modified: 2026-06-17

Description

Arbitrary file upload to web root in the IDAttend’s IDWeb application 3.1.013 allows authenticated attackers to upload dangerous files to web root such as ASP or ASPX, gaining command execution on the affected server.

Frequently asked questions

What is CVE-2023-26578?: Arbitrary file upload to web root in the IDAttend’s IDWeb application 3.1.013 allows authenticated attackers to upload dangerous files to web root such as ASP or ASPX, gaining command execution on the affected server.
How severe is CVE-2023-26578?: CVE-2023-26578 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-26578 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26578?: CVE-2023-26578 affects Idattend Idweb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26578?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-26578 published?: CVE-2023-26578 was published on 2023-10-25 and last updated on 2026-06-17.

References

https://www.themissinglink.com.au/security-advisories/cve-2023-26578

Affected products (1)

cpe:2.3:a:idattend:idweb:3.1.013:*:*:*:*:*:*:*

More vulnerabilities in Idattend Idweb

CVE-2023-27262 — Critical (CVSS 9.8): Unauthenticated SQL injection in the GetAssignmentsDue method in IDAttend’s IDWeb application 3.1.052 and…
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CVE-2023-27255 — Critical (CVSS 9.8): Unauthenticated SQL injection in the DeleteRoomChanges method in IDAttend’s IDWeb application 3.1.052 and…
CVE-2023-27254 — Critical (CVSS 9.8): Unauthenticated SQL injection in the GetRoomChanges method in IDAttend’s IDWeb application 3.1.052 and earlier…
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CVE-2023-26583 — Critical (CVSS 9.8): Unauthenticated SQL injection in the GetCurrentPeriod method in IDAttend’s IDWeb application 3.1.052 and earlier…

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