CVE-2023-27089: Cross Site Scripting vulnerability found in Ehuacui BBS allows attackers to cause a denial of service via a cr

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HIGH 8.2MITIGATE

CVE-2023-27089 is a high-severity flaw (CVSS 8.2) affecting ehuacui-bbs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Scripting vulnerability found in Ehuacui BBS allows attackers to cause a denial of service via a crafted payload in the login parameter.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-04-04
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ehuacui-bbs project

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

Am I affected?

Timeline

2023-04-04 18:15 UTCPublished CVE record published
2026-06-17 05:44 UTCUpdated Record last modified

ehuacui-bbs project ehuacui-bbs MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ehuacui-bbs || rpm -q ehuacui-bbs || ehuacui-bbs --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2023-27089?

ehuacui-bbs: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-27089 being exploited?

CVE-2023-27089 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-2023-27089 affect?

CVE-2023-27089 affects ehuacui-bbs. Severity is high (CVSS 8.2). Cross Site Scripting vulnerability found in Ehuacui BBS allows attackers to cause a denial of service via a crafted payload in the login parameter.

How urgent is CVE-2023-27089?

Priority 43/100. High severity; Public exploit reference

Related CVEs

CVE-2023-1200 LOW 3.5 MITIGATE A vulnerability was found in ehuacui bbs

References

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