CVE-2023-29400
Improper handling of empty HTML attributes 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
Templates containing actions in unquoted HTML attributes (e.g. "attr={{.}}") executed with empty input can result in output with unexpected results when parsed due to HTML normalization rules. This may allow injection of arbitrary attributes into tags.
A flaw was found in golang. Templates containing actions in unquoted HTML attributes, for example, "attr={{.}}") executed with empty input, could result in output that has unexpected results when parsed due to HTML normalization rules. This issue may allow the injection of arbitrary attributes into tags.
*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
- 2023-04-05 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/491617 | 2023-11-07 | |
| https://go.dev/issue/59722 | 2023-11-07 |
| URL | Date | SRC |
|---|---|---|
| https://pkg.go.dev/vuln/GO-2023-1753 | 2023-11-07 | |
| https://access.redhat.com/security/cve/CVE-2023-29400 | 2024-05-21 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2196029 | 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
| ||||||