CVE-2026-45072Symfony is a PHP framework for web and console applications and a set of reusable PHP components.
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No exploitation reported and no EPSS estimate yet.
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Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 6.4.24 until 6.4.40, 7.4.12, and 8.0.12, the development profiler file_excerpt Twig filter escapes PHP files through highlight_string() but interpolates lines from non-PHP files directly into <code> elements, allowing stored XSS against a developer who opens an attacker-written file such as var/log/dev.log in the profiler. This issue is fixed in versions 6.4.40, 7.4.12, and 8.0.12.
- CVSS
- 5.4 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jul 16, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
sensiolabs symfony sensiolabs:symfony | from 6.4.24 before 6.4.40; from 7.2.9 before 7.4.12; from 8.0.0 before 8.0.12 | NVD |
References
- https://github.com/symfony/symfony/commit/863aa81c61166f1aa74b7732df316f76113acbdbpatch
- https://github.com/symfony/symfony/releases/tag/v6.4.40release-notes
- https://github.com/symfony/symfony/releases/tag/v7.4.12release-notes
- https://github.com/symfony/symfony/releases/tag/v8.0.12release-notes
- https://github.com/symfony/symfony/security/advisories/GHSA-hmr5-2xcr-v8pppatch, vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.