CVE-2023-24539
Improper sanitization of CSS values in html/template
Severity Score
7.3
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Angle brackets (<>) are not considered dangerous characters when inserted into CSS contexts. Templates containing multiple actions separated by a '/' character can result in unexpectedly closing the CSS context and allowing for injection of unexpected HTML, if executed with untrusted input.
A flaw was found in golang where angle brackets (<>) were not considered dangerous characters when inserted into CSS contexts. Templates containing multiple actions separated by a '/' character could result in the CSS context unexpectedly closing, allowing for the injection of unexpected HMTL if executed with untrusted input.
*Credits:
Juho Nurminen of Mattermost
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-01-25 CVE Reserved
- 2023-05-11 CVE Published
- 2024-06-24 EPSS Updated
- 2024-08-02 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
- CWE-176: Improper Handling of Unicode Encoding
CAPEC
References (6)
| URL | Tag | Source |
|---|---|---|
| https://groups.google.com/g/golang-announce/c/MEb0UyuSMsU | Mailing List |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://go.dev/cl/491615 | 2023-11-07 | |
| https://go.dev/issue/59720 | 2023-11-07 |
| URL | Date | SRC |
|---|---|---|
| https://pkg.go.dev/vuln/GO-2023-1751 | 2023-11-07 | |
| https://access.redhat.com/security/cve/CVE-2023-24539 | 2024-05-21 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2196026 | 2024-05-21 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Golang Search vendor "Golang" | Go Search vendor "Golang" for product "Go" | < 1.19.9 Search vendor "Golang" for product "Go" and version " < 1.19.9" | - |
Affected
| ||||||
| Golang Search vendor "Golang" | Go Search vendor "Golang" for product "Go" | >= 1.20.0 < 1.20.4 Search vendor "Golang" for product "Go" and version " >= 1.20.0 < 1.20.4" | - |
Affected
| ||||||