CVE-2018-19277 describes an XML External Entity (XXE) vulnerability in PHPOffice PhpSpreadsheet versions through 1.5.0. This flaw allows attackers to bypass protection mechanisms by using UTF-7 encoding within a .xlsx file. With a CVSS score of 8.8 (High), this vulnerability is remotely exploitable with low attack complexity, requiring user interaction, and can lead to high impact on confidentiality, integrity, and availability. While not listed on the KEV catalog or Hot List, public exploit code is available on ExploitDB, and there has been some community discussion, indicating potential for exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.5.0CPE matchmatch criteria | cpe:2.3:a:phpoffice:phpspreadsheet:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.