CVE-2016-4849: Multiple cross-site scripting (XSS) vulnerabilities in Geeklog IVYWE edition 2.1.1 allow remote attackers to i

Routine

MEDIUM 6.1DOWNGRADE

CVE-2016-4849 is a medium-severity flaw (CVSS 6.1) affecting geeklog. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in Geeklog IVYWE edition 2.1.1 allow remote attackers to inject arbitrary web script or HTML by leveraging use of the COM_getCurrentURL function in (1) public_html/layout/default/header.thtml, (2) public_html/layout/bento/header.thtml, (3) public_html/layout/fotos/header.thtml, or (4) public_html/layout/default/article/article.thtml.

Why this priority

No elevated risk signals yet

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	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-79
Published	2017-04-20
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: geeklog project

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

Am I affected?

Timeline

2017-04-20 17:59 UTCPublished CVE record published
2026-06-17 00:48 UTCUpdated Record last modified

geeklog project geeklog DOWNGRADE

Affected: 2.1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.1.1 (Debian / Ubuntu)

apt-cache madison geeklog sudo apt install geeklog=<VERSION_BEFORE_2.1.1> sudo apt-mark hold geeklog

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

dnf --showduplicates list geeklog sudo dnf downgrade geeklog-<VERSION_BEFORE_2.1.1> sudo dnf versionlock add geeklog

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-2016-4849?

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

Is CVE-2016-4849 being exploited?

CVE-2016-4849 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-2016-4849 affect?

CVE-2016-4849 affects geeklog. Severity is medium (CVSS 6.1). Multiple cross-site scripting (XSS) vulnerabilities in Geeklog IVYWE edition 2.1.1 allow remote attackers to inject arbitrary web script or HTML by leveraging use of the COM_getCurrentURL function in (1) public_html/layout/default/header.th

How urgent is CVE-2016-4849?

Priority 39/100. No elevated risk signals yet.

Related CVEs

CVE-2023-46059 MEDIUM 4.8 DOWNGRADE Cross Site Scripting (XSS) vulnerability in Geeklog-Core geeklog v.2.2.2 allows a remote attacker to execute a
CVE-2023-46058 MEDIUM 4.8 DOWNGRADE Cross Site Scripting (XSS) vulnerability in Geeklog-Core geeklog v.2.2.2 allows a remote attacker to execute a
CVE-2023-37787 MEDIUM 4.8 DOWNGRADE Multiple cross-site scripting (XSS) vulnerabilities in Geeklog v2.2.2 allow attackers to execute arbitrary web
CVE-2023-37786 MEDIUM 4.8 DOWNGRADE Multiple cross-site scripting (XSS) vulnerabilities in Geeklog v2.2.2 allow attackers to execute arbitrary web
CVE-2013-1470 MEDIUM 4.3 DOWNGRADE Cross-site scripting (XSS) vulnerability in calendar/index.php in the Calendar plugin in Geeklog before 1.8.2s

References

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