Search for vulnerabilities
Vulnerability details: VCID-8d4j-48j3-4ug6
Vulnerability ID VCID-8d4j-48j3-4ug6
Aliases CVE-2018-1045
GHSA-595j-wpfg-23w4
Summary Moodle XSS Vulnerability In Moodle 3.x, there is XSS via a calendar event name.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00208 https://api.first.org/data/v1/epss?cve=CVE-2018-1045
epss 0.00208 https://api.first.org/data/v1/epss?cve=CVE-2018-1045
cvssv3.1 5.4 https://moodle.org/mod/forum/discuss.php?d=364384
generic_textual MODERATE https://moodle.org/mod/forum/discuss.php?d=364384
cvssv2 3.5 https://nvd.nist.gov/vuln/detail/CVE-2018-1045
cvssv3 5.4 https://nvd.nist.gov/vuln/detail/CVE-2018-1045
cvssv3.1 5.4 https://nvd.nist.gov/vuln/detail/CVE-2018-1045
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2018-1045
cvssv3.1 5.4 https://web.archive.org/web/20210124134120/http://www.securityfocus.com/bid/102755
generic_textual MODERATE https://web.archive.org/web/20210124134120/http://www.securityfocus.com/bid/102755
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-1045
https://moodle.org/mod/forum/discuss.php?d=364384
https://nvd.nist.gov/vuln/detail/CVE-2018-1045
https://web.archive.org/web/20210124134120/http://www.securityfocus.com/bid/102755
http://www.securityfocus.com/bid/102755
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.2.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:moodle:moodle:3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.2.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:moodle:moodle:3.2.1:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.2.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:moodle:moodle:3.2.2:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.2.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:moodle:moodle:3.2.3:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.2.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:moodle:moodle:3.2.4:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.2.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:moodle:moodle:3.2.5:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.2.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:moodle:moodle:3.2.6:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.3.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:moodle:moodle:3.3.0:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.3.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:moodle:moodle:3.3.1:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.3.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:moodle:moodle:3.3.2:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.3.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:moodle:moodle:3.3.3:*:*:*:*:*:*:*
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://moodle.org/mod/forum/discuss.php?d=364384
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-1045
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-1045
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-1045
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://web.archive.org/web/20210124134120/http://www.securityfocus.com/bid/102755
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.43409
EPSS Score 0.00208
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:26:18.680556+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-595j-wpfg-23w4/GHSA-595j-wpfg-23w4.json 36.1.3