CVE-2025-63441: Open Source Social Network (OSSN) 8.6 is vulnerable to Cross Site Scripting (XSS) via the parameter param` at

Routine

HIGH 7.3DOWNGRADE

CVE-2025-63441 is a high-severity flaw (CVSS 7.3) affecting open source social network. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Open Source Social Network (OSSN) 8.6 is vulnerable to Cross Site Scripting (XSS) via the parameter param` at endpoint u/administrator/friends.

Why this priority

High severity

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

Risk facts

CVSS score	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-11-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: opensource-socialnetwork

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

Am I affected?

Timeline

2025-11-03 17:15 UTCPublished CVE record published
2026-06-17 09:53 UTCUpdated Record last modified

opensource-socialnetwork open source social network DOWNGRADE

Affected: 8.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.6

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 8.6 (Debian / Ubuntu)

apt-cache madison open-source-social-network sudo apt install open-source-social-network=<VERSION_BEFORE_8.6> 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_8.6> 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-2025-63441?

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

Is CVE-2025-63441 being exploited?

CVE-2025-63441 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-2025-63441 affect?

CVE-2025-63441 affects open source social network. Severity is high (CVSS 7.3). Open Source Social Network (OSSN) 8.6 is vulnerable to Cross Site Scripting (XSS) via the parameter param` at endpoint u/administrator/friends.

How urgent is CVE-2025-63441?

Priority 31/100. High severity

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

References

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