How severe is CVE-2023-36139?

CVE-2023-36139 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-2023-36139 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-36139?

CVE-2023-36139 affects Phpjabbers Cleaning Business Software. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-36139?

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-2023-36139 published?

CVE-2023-36139 was published on 2023-08-04 and last updated on 2026-06-17.

CVE-2023-36139

CVE-2023-36139 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-345.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-345
Affected product: Phpjabbers Cleaning Business Software
Published: 2023-08-04
Last modified: 2026-06-17

Description

In PHPJabbers Cleaning Business Software 1.0, lack of verification when changing an email address and/or password (on the Profile Page) allows remote attackers to take over accounts.

Frequently asked questions

What is CVE-2023-36139?: In PHPJabbers Cleaning Business Software 1.0, lack of verification when changing an email address and/or password (on the Profile Page) allows remote attackers to take over accounts.
How severe is CVE-2023-36139?: CVE-2023-36139 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-2023-36139 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-36139?: CVE-2023-36139 affects Phpjabbers Cleaning Business Software. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-36139?: 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-2023-36139 published?: CVE-2023-36139 was published on 2023-08-04 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

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