CVE-2023-43661
HighPublic exploitCachet vulnerable to Authenticated Remote Code Execution
Published Oct 16, 2023 · Updated Aug 12, 2026 · Also known as GHSA-hv79-p62r-wg3p
Key Facts
Patch immediately- CVE-2023-43661 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Cachet (All-Three), cachethq/cachet (composer).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 51% probability of exploitation in the next 30 days.
- Fixed versions are available, including Cachet 2.4, cachethq/cachet 2.4.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
51%
Higher than 98.9% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2023-43661 brief as a PDF
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Description
Cachet, the open-source status page system. Prior to the 2.4 branch, a template functionality which allows users to create templates allows them to execute any code on the server during the bad filtration and old twig version. Commit 6fb043e109d2a262ce3974e863c54e9e5f5e0587 of the 2.4 branch contains a patch for this issue.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| CachetAll-Three | >= < 2.4 | 2.4 |
| cachethq/cachetcomposer | See advisory | 2.4 |
Patched Releases
Cachet
2.4
cachethq/cachet
2.4
Timeline
Publicly disclosed
Oct 16, 2023
Last updated
Aug 12, 2026
Weakness Type
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
- CWE-94 Improper Control of Generation of Code ('Code Injection')
References
- advisoryGHSA advisory
- advisoryhttps://github.com/CVEProject/cvelistV5/tree/main/cves/2023/43xxx/CVE-2023-43661.json
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2023-43661
- patchhttps://github.com/cachethq/cachet/commit/6fb043e109d2a262ce3974e863c54e9e5f5e0587
- exploithttps://github.com/cachethq/cachet/security/advisories/GHSA-hv79-p62r-wg3p
FAQ
Common Questions.
Cachet, the open-source status page system.
Affected: Cachet (All-Three) versions >= < 2.4; cachethq/cachet (composer). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Cachet 2.4, cachethq/cachet 2.4.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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