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Fencer Intel
medium 5.3

CVE-2022-0323 json

Improper Neutralization of Special Elements Used in a Template Engine in bobthecow/mustache.php

published 4y ago modified 4mo ago also GHSA-4rmr-c2jx-vx27 , EUVD-2022-0447

cvss
5.3
version 3.0, 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

Improper Neutralization of Special Elements Used in a Template Engine in Packagist mustache/mustache prior to 2.14.1.

Patch / fix

  • packagist mustache/mustache 2.14.1
  • bobthecow bobthecow/mustache.php 2.14.1

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Exploit prediction

0.67% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/a5f5a988-aa52-4443-839d-299a63f44fb7 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 5.3 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P
GitHub 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
packagist mustache/mustache
>=2.0.0, <2.14.1
2.14.1

Affected products

  • bobthecow bobthecow/mustache.php

Classification

Weakness
  • CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Intel 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.