CVE-2023-25057: Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Libsyn Libsyn Publisher Hub.This i

Q: How do I fix CVE-2023-25057?

libsyn publisher hub: upgrade to newer than 1.3.2. Exact commands for each OS are on this page.

Q: Is CVE-2023-25057 being exploited?

CVE-2023-25057 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-25057 affect?

CVE-2023-25057 affects libsyn publisher hub. Severity is medium (CVSS 5.3). Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Libsyn Libsyn Publisher Hub.This issue affects Libsyn Publisher Hub: from n/a through 1.3.2.

Q: How urgent is CVE-2023-25057?

Priority 36/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2023-25057 is a medium-severity flaw (CVSS 5.3) affecting libsyn publisher hub. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Libsyn Libsyn Publisher Hub.This issue affects Libsyn Publisher Hub: from n/a through 1.3.2.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-200
Published	2023-11-30
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: libsyn

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

Am I affected?

Timeline

2023-11-30 16:15 UTCPublished CVE record published
2026-06-17 05:40 UTCUpdated Record last modified

libsyn libsyn publisher hub UPGRADE

Affected: <= 1.3.2

Fixed in: newer than 1.3.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy libsyn-publisher-hub || rpm -q libsyn-publisher-hub || libsyn-publisher-hub --version

2. UPGRADE to newer than 1.3.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade libsyn-publisher-hub

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade libsyn-publisher-hub

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2023-25057?

libsyn publisher hub: upgrade to newer than 1.3.2. Exact commands for each OS are on this page.

Is CVE-2023-25057 being exploited?

CVE-2023-25057 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-2023-25057 affect?

CVE-2023-25057 affects libsyn publisher hub. Severity is medium (CVSS 5.3). Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Libsyn Libsyn Publisher Hub.This issue affects Libsyn Publisher Hub: from n/a through 1.3.2.

How urgent is CVE-2023-25057?

Priority 36/100. Remotely exploitable, no login, no user action

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References

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