CVE-2025-60355: zhangyd-c OneBlog v2.3.9 and before was vulnerable to SSTI (Server-Side Template Injection) via FreeMarker tem

Q: How do I fix CVE-2025-60355?

oneblog: upgrade to 2.3.9. Exact commands for each OS are on this page.

Q: Is CVE-2025-60355 being exploited?

CVE-2025-60355 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-2025-60355 affect?

CVE-2025-60355 affects oneblog. Severity is critical (CVSS 9.8). zhangyd-c OneBlog v2.3.9 and before was vulnerable to SSTI (Server-Side Template Injection) via FreeMarker templates.

Q: How urgent is CVE-2025-60355?

Priority 55/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2025-60355 is a critical-severity flaw (CVSS 9.8) affecting oneblog. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

zhangyd-c OneBlog v2.3.9 and before was vulnerable to SSTI (Server-Side Template Injection) via FreeMarker templates.

Why this priority

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

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-1336
Published	2025-10-28
Last modified	2026-10-27

Publisher (CNA): MITRE · Vendor: zhyd

Last updated 2026-10-27 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-10-28 18:15 UTCPublished CVE record published
2026-10-27 12:10 UTCUpdated Record last modified

zhyd oneblog UPGRADE

Affected: < 2.3.9

Fixed in: 2.3.9

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 2.3.9 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade oneblog

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade oneblog

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-2025-60355?

oneblog: upgrade to 2.3.9. Exact commands for each OS are on this page.

Is CVE-2025-60355 being exploited?

CVE-2025-60355 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-2025-60355 affect?

CVE-2025-60355 affects oneblog. Severity is critical (CVSS 9.8). zhangyd-c OneBlog v2.3.9 and before was vulnerable to SSTI (Server-Side Template Injection) via FreeMarker templates.

How urgent is CVE-2025-60355?

Priority 55/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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