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TI-2023-21916 Aliases CVE-2023-41316

HTML Injection with email in Tolgee

Priority MEDIUM 58CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Tolgee is an open-source localization platform. Due to lack of validation field - Org Name, bad actor can send emails with HTML injected code to the victims. Registered users can inject HTML into unsanitized emails from the Tolgee instance to other users. This unsanitized HTML ends up in invitation emails which appear as legitimate org invitations. Bad actors may direct users to malicious website or execute javascript in the context of the users browser. This vulnerability has been addressed in version 3.29.2. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0048 41st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed tolgee-platform (tolgee): 3.29.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
tolgeetolgee-platformbefore 3.29.23.29.2Patch availableCNA
  • tolgee-platform Vendortolgee Affected before 3.29.2 Fixed in 3.29.2 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:tolgee:tolgee:*:*:*:*:*:*:*:*before 3.29.2Vulnerabletolgee
  • cpe:2.3:a:tolgee:tolgee:*:*:*:*:*:*:*:* Versions before 3.29.2 Vulnerable ·tolgee

Remediation

  • Fix · CNA tolgee-platform (tolgee) Fixed in 3.29.2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-41316

References

Exploit 1

Patch 1

  • TI-2026-24780 Tolgee has an XXE Injection in Translation Import CVSS 4.0CRITICAL 9.3
  • TI-2024-34972 Tolgee's configuration all configuration properties leaked in public configuration DTO CVSS 3.1CRITICAL 9.8
  • TI-2023-19890 Tolgee Lacks Permission Check for API Key for some endpoints CVSS 3.1HIGH 8.1
  • TI-2024-21365 Tolgee' API keys created by server admin users bypass the permission check CVSS 3.1MEDIUM 6.5
  • TI-2024-21361 Tolgee's API key scopes not checked when querying translation data CVSS 3.1MEDIUM 4.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences