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Vulnerability details: VCID-ttsu-s5sc-47f1
Vulnerability ID VCID-ttsu-s5sc-47f1
Aliases CVE-2026-44264
GHSA-5cmv-3rc4-7279
Summary Weblate is a web based localization tool. Prior to version 5.17.1, the Markdown renderer used in user comments and other user-provided content didn't properly sanitize some attributes. This issue has been patched in version 5.17.1.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00012 https://api.first.org/data/v1/epss?cve=CVE-2026-44264
epss 0.00012 https://api.first.org/data/v1/epss?cve=CVE-2026-44264
epss 0.00012 https://api.first.org/data/v1/epss?cve=CVE-2026-44264
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-5cmv-3rc4-7279
cvssv3.1 4.3 https://github.com/WeblateOrg/weblate
generic_textual MODERATE https://github.com/WeblateOrg/weblate
cvssv3.1 4.3 https://github.com/WeblateOrg/weblate/commit/85abc9df88b7464f4c0e794aef752e45f4230f75
generic_textual MODERATE https://github.com/WeblateOrg/weblate/commit/85abc9df88b7464f4c0e794aef752e45f4230f75
ssvc Track https://github.com/WeblateOrg/weblate/commit/85abc9df88b7464f4c0e794aef752e45f4230f75
cvssv3.1 4.3 https://github.com/WeblateOrg/weblate/pull/19259
generic_textual MODERATE https://github.com/WeblateOrg/weblate/pull/19259
ssvc Track https://github.com/WeblateOrg/weblate/pull/19259
cvssv3.1 4.3 https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.17.1
generic_textual MODERATE https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.17.1
ssvc Track https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.17.1
cvssv3.1 4.3 https://github.com/WeblateOrg/weblate/security/advisories/GHSA-5cmv-3rc4-7279
cvssv3.1_qr MODERATE https://github.com/WeblateOrg/weblate/security/advisories/GHSA-5cmv-3rc4-7279
generic_textual MODERATE https://github.com/WeblateOrg/weblate/security/advisories/GHSA-5cmv-3rc4-7279
ssvc Track https://github.com/WeblateOrg/weblate/security/advisories/GHSA-5cmv-3rc4-7279
cvssv3.1 4.3 https://nvd.nist.gov/vuln/detail/CVE-2026-44264
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2026-44264
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-44264
https://github.com/WeblateOrg/weblate
https://nvd.nist.gov/vuln/detail/CVE-2026-44264
19259 https://github.com/WeblateOrg/weblate/pull/19259
85abc9df88b7464f4c0e794aef752e45f4230f75 https://github.com/WeblateOrg/weblate/commit/85abc9df88b7464f4c0e794aef752e45f4230f75
GHSA-5cmv-3rc4-7279 https://github.com/advisories/GHSA-5cmv-3rc4-7279
GHSA-5cmv-3rc4-7279 https://github.com/WeblateOrg/weblate/security/advisories/GHSA-5cmv-3rc4-7279
weblate-5.17.1 https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.17.1
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/WeblateOrg/weblate
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:L/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/WeblateOrg/weblate/commit/85abc9df88b7464f4c0e794aef752e45f4230f75
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-07T15:04:31Z/ Found at https://github.com/WeblateOrg/weblate/commit/85abc9df88b7464f4c0e794aef752e45f4230f75
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/WeblateOrg/weblate/pull/19259
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-07T15:04:31Z/ Found at https://github.com/WeblateOrg/weblate/pull/19259
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.17.1
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-07T15:04:31Z/ Found at https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.17.1
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/WeblateOrg/weblate/security/advisories/GHSA-5cmv-3rc4-7279
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-07T15:04:31Z/ Found at https://github.com/WeblateOrg/weblate/security/advisories/GHSA-5cmv-3rc4-7279
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2026-44264
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 0.01875
EPSS Score 0.00012
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T16:42:37.589071+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2026/44xxx/CVE-2026-44264.json 38.6.0