Cross-site scripting (XSS) vulnerability in the external_format_text function in lib/externallib.php in Moodle through 2.5.9, 2.6.x before 2.6.11, 2.7.x before 2.7.8, and 2.8.x before 2.8.6 allows remote authenticated users to inject arbitrary web script or HTML into an external application via a crafted string that is visible to web services
Published Jun 1, 2015
3.5
LOWCVSS 2.0
EPSS 1.45%
Description
Cross-site scripting (XSS) vulnerability in the external_format_text function in lib/externallib.php in Moodle through 2.5.9, 2.6.x before 2.6.11, 2.7.x before 2.7.8, and 2.8.x before 2.8.6 allows remote authenticated users to inject arbitrary web script or HTML into an external application via a crafted string that is visible to web services.
Affected products
No data.
- ≤ 2.5.9
- 2.5.0
- 2.5.1
- 2.5.2
- 2.5.3
- 2.5.4
- 2.5.5
- 2.5.6
- 2.5.7
- 2.5.8
- 2.6.0
- 2.6.1
- 2.6.2
- 2.6.3
- 2.6.4
- 2.6.5
- 2.6.6
- 2.6.7
- 2.6.8
- 2.6.9
- 2.6.10
- 2.7.0
- 2.7.1
- 2.7.2
- 2.7.3
- 2.7.4
- 2.7.5
- 2.7.6
- 2.7.7
- 2.8.0
- 2.8.1
- 2.8.2
- 2.8.3
- 2.8.4
- 2.8.5
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.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:S/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.45% (0.01449) | 72.39th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.46% (0.01459) | 70.05th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.26% (0.00257) | 47.13th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.13% (0.00131) | 49.61th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.13% (0.00131) | 48.20th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00131) | 46.18th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.13% (0.01132) | 56.11th | v2 (v2022.01.01) |
| Sep 22, 2022 | 1.13% (0.01132) | 54.59th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.13% (0.01132) | 52.58th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.13% (0.01132) | 30.65th | v2 (v2022.01.01) |
References (15)
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-49718 x_refsource_CONFIRM
- http://openwall.com/lists/oss-security/2015/05/18/1 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/74726 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1032358 vdb-entryx_refsource_SECTRACK
- https://github.com/advisories/GHSA-9fmw-m4qx-6cq8 Advisory
- https://github.com/moodle/moodle/commit/28947c1d7d9c53781989b9da7ceb2cafdd144749
- https://github.com/moodle/moodle/commit/2c7d13dba37aa0c850c62037b951efd6dc1b0f78
- https://github.com/moodle/moodle/commit/77067fbb3a248ac2f1fa4b3c20e5b81f768940e5
- https://github.com/moodle/moodle/commit/7f5bd0da0e25feb3b6da3908b6672a58af82e12f
- https://github.com/moodle/moodle/commit/b4da1e0ae4f63ef0bb14b8bf5c0b86cd00f2af4b
- https://github.com/moodle/moodle/commit/d62d36c657a5df45ee286722490abb7901381da6
- https://moodle.org/mod/forum/discuss.php?d=313685 x_refsource_CONFIRMVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2015-3178
- https://web.archive.org/web/20200228054910/http://www.securityfocus.com/bid/74726
- https://web.archive.org/web/20201201000000*/http://www.securitytracker.com/id/1032358
Change history (0)
No recorded changes yet.