How severe is CVE-2022-23799?

CVE-2022-23799 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-2022-23799 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-23799?

CVE-2022-23799 affects Joomla Joomla!. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-23799?

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-2022-23799 published?

CVE-2022-23799 was published on 2022-03-30 and last updated on 2026-06-17.

CVE-2022-23799

CVE-2022-23799 is a critical-severity vulnerability in Joomla Joomla! 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.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Joomla Joomla!
Published: 2022-03-30
Last modified: 2026-06-17

Description

An issue was discovered in Joomla! 4.0.0 through 4.1.0. Under specific circumstances, JInput pollutes method-specific input bags with $_REQUEST data.

Frequently asked questions

What is CVE-2022-23799?: An issue was discovered in Joomla! 4.0.0 through 4.1.0. Under specific circumstances, JInput pollutes method-specific input bags with $_REQUEST data.
How severe is CVE-2022-23799?: CVE-2022-23799 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-2022-23799 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-23799?: CVE-2022-23799 affects Joomla Joomla!. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-23799?: 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-2022-23799 published?: CVE-2022-23799 was published on 2022-03-30 and last updated on 2026-06-17.

References

https://developer.joomla.org/security-centre/876-20220307-core-variable-tampering-on-jinput-request-data.html

Affected products (1)

cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*

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