How severe is CVE-2023-1719?

CVE-2023-1719 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-1719 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-1719?

CVE-2023-1719 affects Bitrix24. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-1719?

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-2023-1719 published?

CVE-2023-1719 was published on 2023-11-01 and last updated on 2026-06-17.

CVE-2023-1719

CVE-2023-1719 is a high-severity vulnerability in Bitrix24 with a CVSS 3.x base score of 7.5. 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-665.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-665
Affected product: Bitrix24
Published: 2023-11-01
Last modified: 2026-06-17

Description

Global variable extraction in bitrix/modules/main/tools.php in Bitrix24 22.0.300 allows unauthenticated remote attackers to (1) enumerate attachments on the server and (2) execute arbitrary JavaScript code in the victim's browser, and possibly execute arbitrary PHP code on the server if the victim has administrator privilege, via overwriting uninitialised variables.

Frequently asked questions

What is CVE-2023-1719?: Global variable extraction in bitrix/modules/main/tools.php in Bitrix24 22.0.300 allows unauthenticated remote attackers to (1) enumerate attachments on the server and (2) execute arbitrary JavaScript code in the victim's browser, and possibly execute arbitrary PHP code on the server if the victim has administrator privilege, via overwriting uninitialised variables.
How severe is CVE-2023-1719?: CVE-2023-1719 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-1719 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1719?: CVE-2023-1719 affects Bitrix24. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-1719?: 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-2023-1719 published?: CVE-2023-1719 was published on 2023-11-01 and last updated on 2026-06-17.

References

https://starlabs.sg/advisories/23/23-1719/

Affected products (1)

cpe:2.3:a:bitrix24:bitrix24:22.0.300:*:*:*:*:*:*:*

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