CVE-2017-15966: The Zh YandexMap (aka com_zhyandexmap) component 6.1.1.0 for Joomla! allows SQL Injection via the placemarklis

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2017-15966 is a critical-severity flaw (CVSS 9.8) affecting zh yandexmap. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Zh YandexMap (aka com_zhyandexmap) component 6.1.1.0 for Joomla! allows SQL Injection via the placemarklistid parameter to index.php.

Why this priority

Critical severity
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	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.4% (top 11%)
CISA exploited list	No
Weakness	CWE-89
Published	2017-10-29
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: zh yandexmap project

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

Am I affected?

Timeline

2017-10-29 06:29 UTCPublished CVE record published
2026-06-17 01:08 UTCUpdated Record last modified

zh yandexmap project zh yandexmap DOWNGRADE

Affected: 6.1.1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.1.1.0

1. Check installed version

apt-cache policy zh-yandexmap || rpm -q zh-yandexmap || zh-yandexmap --version

2. No fixed release: DOWNGRADE to a release before 6.1.1.0 (Debian / Ubuntu)

apt-cache madison zh-yandexmap sudo apt install zh-yandexmap=<VERSION_BEFORE_6.1.1.0> sudo apt-mark hold zh-yandexmap

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

dnf --showduplicates list zh-yandexmap sudo dnf downgrade zh-yandexmap-<VERSION_BEFORE_6.1.1.0> sudo dnf versionlock add zh-yandexmap

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.

Exploit-DB: Joomla! Component Zh YandexMap 6.1.1.0 - 'placemarklistid' SQL Injection

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-2017-15966?

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

Is CVE-2017-15966 being exploited?

CVE-2017-15966 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-2017-15966 affect?

CVE-2017-15966 affects zh yandexmap. Severity is critical (CVSS 9.8). The Zh YandexMap (aka com_zhyandexmap) component 6.1.1.0 for Joomla! allows SQL Injection via the placemarklistid parameter to index.php.

How urgent is CVE-2017-15966?

Priority 67/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Joomla vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2018-6604 CRITICAL 9.8 DOWNGRADE SQL Injection exists in the Zh YandexMap 6.2.1.0 component for Joomla! via the id parameter in a task=getPlace

References

← Back to latest CVEs