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Fencer Vulns
medium 5.5

CVE-2023-41316 json

HTML Injection with email in Tolgee

published 2023-09-07 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-45832

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 41%
public exploits
0
none known

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.

Patch / fix

  • tolgee tolgee 3.29.2

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.48% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/tolgee/tolgee-platform/security/advisories/GHSA-gx3w-rwh5-w5cg referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 5.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

  • tolgee tolgee-platform
  • tolgee tolgee

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.