How severe is CVE-2023-36140?

CVE-2023-36140 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-2023-36140 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-36140?

CVE-2023-36140 affects Phpjabbers Cleaning Business Software. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-36140?

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-2023-36140 published?

CVE-2023-36140 was published on 2023-09-11 and last updated on 2026-06-17.

CVE-2023-36140

CVE-2023-36140 is a critical-severity vulnerability in Phpjabbers Cleaning Business Software 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-862.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Phpjabbers Cleaning Business Software
Published: 2023-09-11
Last modified: 2026-06-17

Description

In PHPJabbers Cleaning Business Software 1.0, there is no encryption on user passwords allowing an attacker to gain access to all user accounts.

Frequently asked questions

What is CVE-2023-36140?: In PHPJabbers Cleaning Business Software 1.0, there is no encryption on user passwords allowing an attacker to gain access to all user accounts.
How severe is CVE-2023-36140?: CVE-2023-36140 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-2023-36140 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-36140?: CVE-2023-36140 affects Phpjabbers Cleaning Business Software. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-36140?: 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-2023-36140 published?: CVE-2023-36140 was published on 2023-09-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phpjabbers:cleaning_business_software:1.0:*:*:*:*:*:*:*

More vulnerabilities in Phpjabbers Cleaning Business Software

CVE-2023-36139 — Critical (CVSS 9.8): In PHPJabbers Cleaning Business Software 1.0, lack of verification when changing an email address and/or password (on…
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CVE-2023-51328 — Medium (CVSS 5.4): PHPJabbers Cleaning Business Software v1.0 is vulnerable to Multiple Stored Cross-Site Scripting (XSS) in the "c_name,…

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