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Vulnerability details: VCID-w9vs-79kk-eyd6
Vulnerability ID VCID-w9vs-79kk-eyd6
Aliases CVE-2020-13688
GHSA-qf2g-mrrx-rr5p
Summary Drupal Core Cross-site scripting vulnerability Cross-site scripting vulnerability in Drupal Core allows an attacker could leverage the way that HTML is rendered for affected forms in order to exploit the vulnerability. This issue affects: Drupal Core 8.8.X versions prior to 8.8.10; 8.9.X versions prior to 8.9.6; 9.0.X versions prior to 9.0.6.
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 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
epss 0.00317 https://api.first.org/data/v1/epss?cve=CVE-2020-13688
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-qf2g-mrrx-rr5p
cvssv3.1 6.1 https://github.com/drupal/core
generic_textual MODERATE https://github.com/drupal/core
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2020-13688
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2020-13688
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2020-13688
cvssv3.1 6.1 https://www.drupal.org/sa-core-2020-009
generic_textual MODERATE https://www.drupal.org/sa-core-2020-009
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2020-13688
https://github.com/drupal/core
https://nvd.nist.gov/vuln/detail/CVE-2020-13688
https://www.drupal.org/sa-core-2020-009
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
GHSA-qf2g-mrrx-rr5p https://github.com/advisories/GHSA-qf2g-mrrx-rr5p
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/drupal/core
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:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-13688
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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-13688
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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://www.drupal.org/sa-core-2020-009
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 0.54189
EPSS Score 0.00317
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T09:12:25.273583+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-qf2g-mrrx-rr5p/GHSA-qf2g-mrrx-rr5p.json 37.0.0