CVE-2023-1719 json
Bitrix24 Insecure Global Variable Extraction
published 2023-11-01 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-23942
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 6.3%
- EPSS 6.3% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
6.26% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Bitrix Component - Cross-Site Scripting nuclei detection template
- starlabs.sg https://starlabs.sg/advisories/23/23-1719/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Bitrix24 Bitrix24
Classification
- Weakness
-
- CWE-665 Improper Initialization
References
-
starlabs.sg
/advisories/23/23-1719/
third-party-advisory, exploit
Sources
- CVE List CVE-2023-1719
- NVD CVE-2023-1719
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.