CVE-2025-7786: A vulnerability, which was classified as problematic, has been found in Gnuboard g6 up to 6.0.10

Q: How do I fix CVE-2025-7786?

gnuboard: upgrade to newer than 6.0.10. Exact commands for each OS are on this page.

Q: Is CVE-2025-7786 being exploited?

CVE-2025-7786 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-7786 affect?

CVE-2025-7786 affects gnuboard. Severity is low (CVSS 3.5). A vulnerability, which was classified as problematic, has been found in Gnuboard g6 up to 6.0.10. This issue affects some unknown processing of the file /bbs/scrap_popin_update/qa/ of the component Post Reply Handler. The manipulation leads

Q: How urgent is CVE-2025-7786?

Priority 22/100. Public exploit reference

Routine

LOW 3.5UPGRADE

CVE-2025-7786 is a low-severity flaw (CVSS 3.5) affecting gnuboard. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability, which was classified as problematic, has been found in Gnuboard g6 up to 6.0.10. This issue affects some unknown processing of the file /bbs/scrap_popin_update/qa/ of the component Post Reply Handler. The manipulation leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 79%)
CISA exploited list	No
Weakness	CWE-79, CWE-94
Published	2025-07-18
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: sir

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

Am I affected?

Timeline

2025-07-18 14:15 UTCPublished CVE record published
2026-06-17 10:05 UTCUpdated Record last modified

sir gnuboard UPGRADE

Affected: <= 6.0.10

Fixed in: newer than 6.0.10

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 6.0.10 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade gnuboard

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade gnuboard

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2025-7786?

gnuboard: upgrade to newer than 6.0.10. Exact commands for each OS are on this page.

Is CVE-2025-7786 being exploited?

CVE-2025-7786 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-2025-7786 affect?

CVE-2025-7786 affects gnuboard. Severity is low (CVSS 3.5). A vulnerability, which was classified as problematic, has been found in Gnuboard g6 up to 6.0.10. This issue affects some unknown processing of the file /bbs/scrap_popin_update/qa/ of the component Post Reply Handler. The manipulation leads

How urgent is CVE-2025-7786?

Priority 22/100. Public exploit reference

Related CVEs

CVE-2025-61464 MEDIUM 6.5 UPGRADE gnuboard gnuboard4 v4.36.04 and before is vulnerable to Second-order SQL Injection via the search_table in bbs
CVE-2025-60859 MEDIUM 6.1 DOWNGRADE Cross Site Scripting (XSS) vulnerability in Gnuboard 5.6.15 allows authenticated attackers to execute arbitrar
CVE-2024-41475 HIGH 8.8 DOWNGRADE Gnuboard g6 6.0.7 is vulnerable to Session hijacking due to a CORS misconfiguration.
CVE-2024-39097 MEDIUM 6.1 UPGRADE There is an Open Redirect vulnerability in Gnuboard v6.0.4 and below via the `url` parameter in login path.
CVE-2024-37658 MEDIUM 6.1 DOWNGRADE An open redirect vulnerability in gnuboard5 v.5.5.16 allows a remote attacker to obtain sensitive information

References

← Back to latest CVEs