CVE-2018-19277
securityScan() in PHPOffice PhpSpreadsheet through 1.5.0 allows a bypass of protection mechanisms for XXE via UTF-7 encoding in a .xlsx file
- 8.8HighCVSS base score
- 7.8%Exploitation in 30 daysEPSS · top 5.3% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
securityScan() in PHPOffice PhpSpreadsheet through 1.5.0 allows a bypass of protection mechanisms for XXE via UTF-7 encoding in a .xlsx file
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- PhpSpreadsheet < 1.5.0 - XML External Entity (XXE) (Exploit-DB entry) (opens in a new tab)
EDB-ID 46050webapps, phppublished 30 Nov 2018Not verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 7.8% · top 5.3% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Packagistphpoffice/phpexcelGHSA-xcrg-29h7-h4cj (opens in a new tab)
- Packagistphpoffice/phpspreadsheetGHSA-xcrg-29h7-h4cj (opens in a new tab)
References
4
- https://github.com/PHPOffice/PhpSpreadsheet/issues/771 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.bishopfox.com/news/2018/11/phpoffice-versions/ (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/MewesK/TwigSpreadsheetBundle/issues/18 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.drupal.org/sa-contrib-2021-043 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2019-0766 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-xcrg-29h7-h4cj (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-19277)Record last updated .