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Fencer Vulns
medium 5.4

CVE-2023-30097 json

A stored cross-site scripting (XSS) vulnerability in TotalJS messenger commit b6cf1c9 allows attackers to execute arbitrary web scripts or…

published 2023-05-04 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-34528

cvss
5.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits
0
none known

Summary

A stored cross-site scripting (XSS) vulnerability in TotalJS messenger commit b6cf1c9 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the private task field.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

0.67% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/totaljs/messenger/issues/9 referenced PoC, tagged "exploit" by a source, unverified
  • edoardoottavianelli.it https://www.edoardoottavianelli.it/CVE-2023-30097/ referenced PoC, tagged "exploit" by a source, unverified
  • youtube.com https://www.youtube.com/watch?v=VAlbkvOm_DU referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

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

Classification

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

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.