CVE-2023-45952: An arbitrary file upload vulnerability in the component ajax_link.php of lylme_spage v1.7.0 allows attackers t

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2023-45952 is a critical-severity flaw (CVSS 9.8) affecting lylme spage. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An arbitrary file upload vulnerability in the component ajax_link.php of lylme_spage v1.7.0 allows attackers to execute arbitrary code via uploading a crafted file.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-434
Published	2023-10-17
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: lylme

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

Am I affected?

Timeline

2023-10-17 20:15 UTCPublished CVE record published
2026-06-17 06:29 UTCUpdated Record last modified

lylme lylme spage DOWNGRADE

Affected: 1.7.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.7.0

1. Check installed version

apt-cache policy lylme-spage || rpm -q lylme-spage || lylme-spage --version

2. No fixed release: DOWNGRADE to a release before 1.7.0 (Debian / Ubuntu)

apt-cache madison lylme-spage sudo apt install lylme-spage=<VERSION_BEFORE_1.7.0> sudo apt-mark hold lylme-spage

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

dnf --showduplicates list lylme-spage sudo dnf downgrade lylme-spage-<VERSION_BEFORE_1.7.0> sudo dnf versionlock add lylme-spage

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-2023-45952?

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

Is CVE-2023-45952 being exploited?

CVE-2023-45952 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-2023-45952 affect?

CVE-2023-45952 affects lylme spage. Severity is critical (CVSS 9.8). An arbitrary file upload vulnerability in the component ajax_link.php of lylme_spage v1.7.0 allows attackers to execute arbitrary code via uploading a crafted file.

How urgent is CVE-2023-45952?

Priority 59/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-4543 HIGH 7.3 DOWNGRADE A vulnerability, which was classified as critical, was found in LyLme Spage 2.1
CVE-2024-9790 MEDIUM 4.7 DOWNGRADE A vulnerability was found in LyLme_spage 1.9.5
CVE-2024-9789 MEDIUM 4.7 DOWNGRADE A vulnerability was found in LyLme_spage 1.9.5 and classified as critical
CVE-2024-9788 MEDIUM 4.7 DOWNGRADE A vulnerability has been found in LyLme_spage 1.9.5 and classified as critical
CVE-2024-48357 CRITICAL 9.8 UPGRADE LyLme Spage 1.2.0 through 1.6.0 is vulnerable to SQL Injection via /admin/apply.php.

References

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