CVE-2022-34966: OpenTeknik LLC OSSN OPEN SOURCE SOCIAL NETWORK v6.3 LTS was discovered to contain an HTML injection vulnerabil

This week

HIGH 7.5REMOTEDOWNGRADE

CVE-2022-34966 is a high-severity flaw (CVSS 7.5) affecting open source social network. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

OpenTeknik LLC OSSN OPEN SOURCE SOCIAL NETWORK v6.3 LTS was discovered to contain an HTML injection vulnerability via the location parameter at http://ip_address/:port/ossn/home.

Why this priority

High 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	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.5% (top 26%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-07-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: openteknik

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

Am I affected?

Timeline

2022-07-25 19:15 UTCPublished CVE record published
2026-06-17 04:51 UTCUpdated Record last modified

openteknik open source social network DOWNGRADE

Affected: 6.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.3

1. Check installed version

apt-cache policy open-source-social-network || rpm -q open-source-social-network || open-source-social-network --version

2. No fixed release: DOWNGRADE to a release before 6.3 (Debian / Ubuntu)

apt-cache madison open-source-social-network sudo apt install open-source-social-network=<VERSION_BEFORE_6.3> sudo apt-mark hold open-source-social-network

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

dnf --showduplicates list open-source-social-network sudo dnf downgrade open-source-social-network-<VERSION_BEFORE_6.3> sudo dnf versionlock add open-source-social-network

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-2022-34966?

open source social network: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-34966 being exploited?

CVE-2022-34966 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-2022-34966 affect?

CVE-2022-34966 affects open source social network. Severity is high (CVSS 7.5). OpenTeknik LLC OSSN OPEN SOURCE SOCIAL NETWORK v6.3 LTS was discovered to contain an HTML injection vulnerability via the location parameter at http://ip_address/:port/ossn/home.

How urgent is CVE-2022-34966?

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

Related CVEs

CVE-2025-63585 MEDIUM 6.5 DOWNGRADE OSSN (Open Source Social Network) 8.6 is vulnerable to SQL Injection in /action/rtcomments/status via the time
CVE-2025-63441 HIGH 7.3 DOWNGRADE Open Source Social Network (OSSN) 8.6 is vulnerable to Cross Site Scripting (XSS) via the parameter param` at
CVE-2022-34965 HIGH 7.2 DOWNGRADE OpenTeknik LLC OSSN OPEN SOURCE SOCIAL NETWORK v6.3 LTS was discovered to contain an arbitrary file upload vul
CVE-2022-34964 MEDIUM 4.8 DOWNGRADE OpenTeknik LLC OSSN OPEN SOURCE SOCIAL NETWORK v6.3 LTS was discovered to contain a stored cross-site scriptin
CVE-2022-34963 MEDIUM 5.4 DOWNGRADE OpenTeknik LLC OSSN OPEN SOURCE SOCIAL NETWORK v6.3 LTS was discovered to contain a stored cross-site scriptin

References

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