CVE-2023-29887: A Local File inclusion vulnerability in test.php in spreadsheet-reader 0.5.11 allows remote attackers to inclu

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HIGH 7.5REMOTEDOWNGRADE

CVE-2023-29887 is a high-severity flaw (CVSS 7.5) affecting spreadsheet-reader. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Local File inclusion vulnerability in test.php in spreadsheet-reader 0.5.11 allows remote attackers to include arbitrary files via the File parameter.

Why this priority

High severity
EPSS top 8%: very likely to be exploited
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	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	4.7% (top 8%)
CISA exploited list	No
Weakness	CWE-22
Published	2023-04-18
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: nuovo

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

Am I affected?

Timeline

2023-04-18 20:15 UTCPublished CVE record published
2026-06-17 05:51 UTCUpdated Record last modified

nuovo spreadsheet-reader DOWNGRADE

Affected: 0.5.11

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.5.11

1. Check installed version

apt-cache policy spreadsheet-reader || rpm -q spreadsheet-reader || spreadsheet-reader --version

2. No fixed release: DOWNGRADE to a release before 0.5.11 (Debian / Ubuntu)

apt-cache madison spreadsheet-reader sudo apt install spreadsheet-reader=<VERSION_BEFORE_0.5.11> sudo apt-mark hold spreadsheet-reader

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

dnf --showduplicates list spreadsheet-reader sudo dnf downgrade spreadsheet-reader-<VERSION_BEFORE_0.5.11> sudo dnf versionlock add spreadsheet-reader

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Nuovo Spreadsheet Reader 0.5.11 - Local File Inclusion

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-2023-29887?

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

Is CVE-2023-29887 being exploited?

CVE-2023-29887 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-2023-29887 affect?

CVE-2023-29887 affects spreadsheet-reader. Severity is high (CVSS 7.5). A Local File inclusion vulnerability in test.php in spreadsheet-reader 0.5.11 allows remote attackers to include arbitrary files via the File parameter.

How urgent is CVE-2023-29887?

Priority 59/100. High severity; EPSS top 8%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

References

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