HIGH
securityScan() in PHPOffice PhpSpreadsheet through 1.5.0 allows a bypass of protection mechanisms for XXE via UTF-7 encoding in a .xlsx file
Published Nov 14, 2018
8.8
HIGHCVSS 3.1
EPSS 7.79%
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
Affected products
No data.
- ≤ 1.5.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
8.8 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
6.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
7.79% 0.07791
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.07791
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (31 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.79% (0.07791) | 94.48th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.79% (0.07791) | 93.87th | v5 (v2026.06.15) |
| Dec 1, 2025 | 3.15% (0.03147) | 86.48th | v4 (v2025.03.14) |
| Nov 21, 2025 | 1.77% (0.01769) | 82.08th | v4 (v2025.03.14) |
| Nov 18, 2025 | 5.70% (0.05701) | 89.45th | v4 (v2025.03.14) |
| May 5, 2025 | 1.87% (0.01872) | 82.09th | v4 (v2025.03.14) |
| Apr 19, 2025 | 3.33% (0.03328) | 86.59th | v4 (v2025.03.14) |
| Mar 30, 2025 | 5.59% (0.05589) | 89.35th | v4 (v2025.03.14) |
| Mar 29, 2025 | 14.04% (0.14044) | 90.59th | v4 (v2025.03.14) |
| Mar 21, 2025 | 5.59% (0.05589) | 89.48th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.20% (0.04195) | 87.97th | v4 (v2025.03.14) |
| Dec 17, 2024 | 3.21% (0.03213) | 91.00th | v3 (v2023.03.01) |
| Dec 12, 2024 | 2.04% (0.02038) | 89.43th | v3 (v2023.03.01) |
| Jul 3, 2024 | 1.97% (0.01968) | 88.83th | v3 (v2023.03.01) |
| Apr 6, 2024 | 1.85% (0.01853) | 88.10th | v3 (v2023.03.01) |
| Jan 1, 2024 | 1.69% (0.01689) | 86.36th | v3 (v2023.03.01) |
| Dec 13, 2023 | 2.43% (0.02427) | 88.80th | v3 (v2023.03.01) |
| Nov 26, 2023 | 3.06% (0.03064) | 89.93th | v3 (v2023.03.01) |
| Nov 8, 2023 | 4.28% (0.04278) | 91.33th | v3 (v2023.03.01) |
| Oct 24, 2023 | 4.14% (0.04140) | 91.17th | v3 (v2023.03.01) |
| Oct 6, 2023 | 4.68% (0.04678) | 91.66th | v3 (v2023.03.01) |
| Jul 8, 2023 | 4.77% (0.04770) | 91.56th | v3 (v2023.03.01) |
| Mar 7, 2023 | 6.02% (0.06024) | 92.32th | v3 (v2023.03.01) |
| Mar 6, 2023 | 8.38% (0.08382) | 93.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 8.38% (0.08382) | 93.35th | v2 (v2022.01.01) |
| Feb 4, 2022 | 8.38% (0.08382) | 82.62th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.50% (0.04504) | 76.47th | v1 |
| Jan 6, 2022 | 4.50% (0.04504) | 76.26th | v1 |
| Oct 14, 2021 | 4.50% (0.04504) | 84.32th | v1 |
| Sep 1, 2021 | 3.63% (0.03630) | 82.60th | v1 |
| Apr 14, 2021 | 3.63% (0.03630) | 0.00th | v1 |
Weaknesses (1)
References (12)
- https://github.com/FriendsOfPHP/security-advisories/blob/master/phpoffice/phpspreadsheet/CVE-2018-19277.yaml
- https://github.com/MewesK/TwigSpreadsheetBundle/issues/18 x_refsource_MISCThird Party Advisory
- https://github.com/PHPOffice/PHPExcel/commit/2b601574975acfb9d4378a788ed5f2b747958095
- https://github.com/PHPOffice/PHPExcel/commits/1.8.2
- https://github.com/PHPOffice/PhpSpreadsheet/commit/0f8f071e24ee8b114d894ac172f77dc250e5bfa4
- https://github.com/PHPOffice/PhpSpreadsheet/issues/771 x_refsource_MISCExploitThird Party Advisory
- https://github.com/PHPOffice/PhpSpreadsheet/pull/780
- https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/1.5.1
- https://github.com/advisories/GHSA-xcrg-29h7-h4cj Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-19277
- https://www.bishopfox.com/news/2018/11/phpoffice-versions x_refsource_MISCBroken Link
- https://www.drupal.org/sa-contrib-2021-043 x_refsource_MISCThird Party Advisory
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Nov 14, 2018
Updated Aug 5, 2024
Reserved Nov 14, 2018
Link CVE-2018-19277
CISA Vulnrichment
GHSA-XCRG-29H7-H4CJ Updated n/a