CVE-2022-45548: AyaCMS v3.1.2 has an Arbitrary File Upload vulnerability.

This month

HIGH 8.8DOWNGRADE

CVE-2022-45548 is a high-severity flaw (CVSS 8.8) affecting ayacms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

AyaCMS v3.1.2 has an Arbitrary File Upload vulnerability.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-434
Published	2022-12-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ayacms project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-12-06 19:15 UTCPublished CVE record published
2026-06-17 05:10 UTCUpdated Record last modified

ayacms project ayacms DOWNGRADE

Affected: 3.1.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.1.2

1. Check installed version

apt-cache policy ayacms || rpm -q ayacms || ayacms --version

2. No fixed release: DOWNGRADE to a release before 3.1.2 (Debian / Ubuntu)

apt-cache madison ayacms sudo apt install ayacms=<VERSION_BEFORE_3.1.2> sudo apt-mark hold ayacms

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ayacms sudo dnf downgrade ayacms-<VERSION_BEFORE_3.1.2> sudo dnf versionlock add ayacms

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-45548?

ayacms: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-45548 being exploited?

CVE-2022-45548 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-45548 affect?

CVE-2022-45548 affects ayacms. Severity is high (CVSS 8.8). AyaCMS v3.1.2 has an Arbitrary File Upload vulnerability.

How urgent is CVE-2022-45548?

Priority 50/100. High severity; Public exploit reference

Related CVEs

CVE-2022-48116 HIGH 7.2 DOWNGRADE AyaCMS v3.1.2 was discovered to contain a remote code execution (RCE) vulnerability via the component /admin/t
CVE-2022-47926 CRITICAL 9.8 DOWNGRADE AyaCMS 3.1.2 is vulnerable to file deletion via /aya/module/admin/fst_del.inc.php
CVE-2022-46102 CRITICAL 9.8 DOWNGRADE AyaCMS 3.1.2 is vulnerable to Arbitrary file upload via /aya/module/admin/fst_down.inc.php
CVE-2022-46101 HIGH 8.8 DOWNGRADE AyaCMS v3.1.2 was found to have a code flaw in the ust_sql.inc.php file, which allows attackers to cause comma
CVE-2022-45550 CRITICAL 9.8 DOWNGRADE AyaCMS 3.1.2 is vulnerable to Remote Code Execution (RCE).

References

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