mod/quiz/db/access.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 does not set the RISK_XSS bit for graders, which allows remote authenticated users to conduct cross-site scripting (XSS) attacks via crafted gradebook feedback during manual quiz grading
Published Jun 1, 2015
3.5
LOWCVSS 2.0
EPSS 1.45%
Description
mod/quiz/db/access.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 does not set the RISK_XSS bit for graders, which allows remote authenticated users to conduct cross-site scripting (XSS) attacks via crafted gradebook feedback during manual quiz grading.
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) | 72.38th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.46% (0.01459) | 70.05th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.28% (0.00279) | 49.27th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.17% (0.00169) | 55.22th | v3 (v2023.03.01) |
| Jul 3, 2024 | 0.17% (0.00169) | 54.12th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.17% (0.00169) | 52.10th | 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 (13)
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-49941 x_refsource_CONFIRM
- http://openwall.com/lists/oss-security/2015/05/18/1 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/74719 vdb-entryx_refsource_BID
- http://www.securityfocus.com/bid/74719https://web.archive.org/web/20200228054910/http://www.securityfocus.com/bid/74719
- http://www.securitytracker.com/id/1032358 vdb-entryx_refsource_SECTRACK
- https://github.com/advisories/GHSA-6r7x-6q98-qcqp Advisory
- https://github.com/moodle/moodle/commit/10c2b92448873a8479942098a090e7c16b44438d
- https://github.com/moodle/moodle/commit/1ce4f44df7e793051211841b6a78ac77bd42fc99
- https://github.com/moodle/moodle/commit/39ae18a2f90fcf392a711dd41f9aa7627f72a762
- https://github.com/moodle/moodle/commit/e51fdfe0cbab19320f139773d83aacb1ad15eb46
- https://moodle.org/mod/forum/discuss.php?d=313681 x_refsource_CONFIRMVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2015-3174
- https://web.archive.org/web/20201030042703/http://www.securitytracker.com/id/1032358
Change history (0)
No recorded changes yet.