CVE-2022-0323

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

5.3 MediumFix available

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

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.67%Down 0.2 points since Feb 8, 2022

What each source reports

CVE List Score used 5.3

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

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

Record: CVE-2022-0323
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness: CWE-1336
Updated: 2026-11-02

EUVDEUVD-2022-0447 5.3

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

Record: EUVD-2022-0447
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Updated: 2026-11-03

GitHub AdvisoriesGHSA-4rmr-c2jx-vx27 8.8

Mustache remote code injection vulnerability

In Mustache.php v2.0.0 through v2.14.0, Sections tag can lead to arbitrary php code execution even if strict_callables is true when section value is controllable.

Record: GHSA-4rmr-c2jx-vx27
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-94, CWE-1336
Updated: 2026-11-02

NVD 8.8

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

Record: CVE-2022-0323
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS 2.0: 6.5 MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
Weakness: CWE-1336, CWE-94
Updated: 2026-11-02

OSV 5.3

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

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

Record: CVE-2022-0323
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness: CWE-1336
Updated: 2026-11-02

OSVGHSA-4rmr-c2jx-vx27 8.8

Mustache remote code injection vulnerability

In Mustache.php v2.0.0 through v2.14.0, Sections tag can lead to arbitrary php code execution even if strict_callables is true when section value is controllable.

Record: GHSA-4rmr-c2jx-vx27
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-1336, CWE-94
Updated: 2026-11-02

OSVUBUNTU-CVE-2022-0323 8.8

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

Record: UBUNTU-CVE-2022-0323
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`mustache/mustache` Packagist	2.0.0 up to 2.14.1	2.14.1
`mustache/mustache` Packagist	2.0.0 up to 2.14.1, plus listed versions v2.0.0v2.0.1v2.0.2v2.1.0v2.10.0 Show 17 moreShow less v2.11.0v2.11.1v2.12.0v2.13.0v2.14.0v2.2.0v2.3.0v2.3.1v2.4.0v2.4.1v2.5.0v2.5.1v2.6.0v2.6.1v2.7.0v2.8.0v2.9.0	2.14.1
`moodle` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 2.7.9+dfsg-12.7.10+dfsg-12.7.11+dfsg-12.7.11+dfsg-22.7.12+dfsg-13.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1	None known
`moodle` Ubuntu:Pro:18.04:LTS	All versions, plus listed versions 3.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-0323 is a medium vulnerability (CVSS 5.3) in Bobthecow Bobthecow/mustache.php, published January 21, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.67%, the 52nd percentile. Fixed in mustache/mustache 2.14.1.

References

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