CVE-2017-17948: Cells Blog 3.5 has XSS via the jfdname parameter in an act=showpic request.

Routine

MEDIUM 6.1DOWNGRADE

CVE-2017-17948 is a medium-severity flaw (CVSS 6.1) affecting blog. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cells Blog 3.5 has XSS via the jfdname parameter in an act=showpic request.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.7% (top 49%)
CISA exploited list	No
Weakness	CWE-79
Published	2017-12-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: cells

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

Am I affected?

Timeline

2017-12-28 18:29 UTCPublished CVE record published
2026-06-17 01:11 UTCUpdated Record last modified

cells blog DOWNGRADE

Affected: 3.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.5 (Debian / Ubuntu)

apt-cache madison blog sudo apt install blog=<VERSION_BEFORE_3.5> sudo apt-mark hold blog

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

dnf --showduplicates list blog sudo dnf downgrade blog-<VERSION_BEFORE_3.5> sudo dnf versionlock add blog

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-2017-17948?

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

Is CVE-2017-17948 being exploited?

CVE-2017-17948 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-2017-17948 affect?

CVE-2017-17948 affects blog. Severity is medium (CVSS 6.1). Cells Blog 3.5 has XSS via the jfdname parameter in an act=showpic request.

How urgent is CVE-2017-17948?

Priority 39/100. Public exploit reference

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CVE-2017-17950 HIGH 8.8 DOWNGRADE Cells Blog 3.5 has SQL Injection via the pub_readpost.php ptid parameter.

References

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