How severe is CVE-2009-1801?

CVE-2009-1801 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-1801 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1801?

CVE-2009-1801 primarily affects Freepbx. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-1801?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-1801 published?

CVE-2009-1801 was published on 2009-05-28 and last updated on 2026-06-16.

CVE-2009-1801

CVE-2009-1801 is a medium-severity vulnerability in Freepbx with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Freepbx
Published: 2009-05-28
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in FreePBX 2.5.1, and other 2.4.x, 2.5.x, and pre-release 2.6.x versions, allow remote attackers to inject arbitrary web script or HTML via the (1) display parameter to reports.php, the (2) order and (3) extdisplay parameters to config.php, and the (4) sort parameter to recordings/index.php. NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2009-1801?: Multiple cross-site scripting (XSS) vulnerabilities in FreePBX 2.5.1, and other 2.4.x, 2.5.x, and pre-release 2.6.x versions, allow remote attackers to inject arbitrary web script or HTML via the (1) display parameter to reports.php, the (2) order and (3) extdisplay parameters to config.php, and the (4) sort parameter to recordings/index.php. NOTE: some of these details are obtained from third party information.
How severe is CVE-2009-1801?: CVE-2009-1801 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-1801 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1801?: CVE-2009-1801 primarily affects Freepbx. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1801?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-1801 published?: CVE-2009-1801 was published on 2009-05-28 and last updated on 2026-06-16.

References

Affected products (11)

cpe:2.3:a:freepbx:freepbx:2.4:*:*:*:*:*:*:*
cpe:2.3:a:freepbx:freepbx:2.4.0_beta1:*:*:*:*:*:*:*
cpe:2.3:a:freepbx:freepbx:2.4.0_beta2:*:*:*:*:*:*:*
cpe:2.3:a:freepbx:freepbx:2.4.1:*:*:*:*:*:*:*
cpe:2.3:a:freepbx:freepbx:2.5.0_beta1:*:*:*:*:*:*:*
cpe:2.3:a:freepbx:freepbx:2.5.0rc2:*:*:*:*:*:*:*
cpe:2.3:a:freepbx:freepbx:2.5.0rc3:*:*:*:*:*:*:*
cpe:2.3:a:freepbx:freepbx:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:freepbx:freepbx:2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:sangoma:freepbx:2.4.0:*:*:*:*:*:*:*
cpe:2.3:a:sangoma:freepbx:2.5.0:*:*:*:*:*:*:*

More vulnerabilities in Freepbx

CVE-2014-7235 — Critical (CVSS 10.0): htdocs_ari/includes/login.php in the ARI Framework module/Asterisk Recording Interface (ARI) in FreePBX before 2.9.0.9,…
CVE-2014-1903 — High (CVSS 7.5): admin/libraries/view.functions.php in FreePBX 2.9 before 2.9.0.14, 2.10 before 2.10.1.15, 2.11 before 2.11.0.23, and 12…
CVE-2009-1802 — Medium (CVSS 6.8): Multiple cross-site request forgery (CSRF) vulnerabilities in FreePBX 2.5.1, and other 2.4.x, 2.5.x, and pre-release…
CVE-2007-2191 — Medium (CVSS 6.8): Multiple cross-site scripting (XSS) vulnerabilities in freePBX 2.2.x allow remote attackers to inject arbitrary web…
CVE-2007-2350 — Medium (CVSS 6.5): admin/config.php in the music-on-hold module in freePBX 2.2.x allows remote authenticated administrators to execute…
CVE-2009-1803 — Medium (CVSS 5.0): FreePBX 2.5.1, and other 2.4.x, 2.5.x, and pre-release 2.6.x versions, generates different error messages for a failed…

All CVEs affecting Freepbx →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →