CVE-2007-1991 — Cross-site scripting (XSS) vulnerability in mail/signup.asp in CmailServer WebMail 5.4.3, and possibly earlier, allows remote attackers to inject arbitrary web script or HTML via the Comment parameter, a different vector than CVE-2007-1927

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MEDIUM

Cross-site scripting (XSS) vulnerability in mail/signup.asp in CmailServer WebMail 5.4.3, and possibly earlier, allows remote attackers to inject arbitrary web script or HTML via the Comment parameter, a different vector than CVE-2007-1927

Published Apr 12, 2007

4.3

MEDIUM

CVSS 2.0

EPSS 1.02%

Description

Cross-site scripting (XSS) vulnerability in mail/signup.asp in CmailServer WebMail 5.4.3, and possibly earlier, allows remote attackers to inject arbitrary web script or HTML via the Comment parameter, a different vector than CVE-2007-1927.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.02% 0.01022

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01022

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (12 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.02% (0.01022)	62.15th	v5 (v2026.06.15)
Jun 15, 2026	1.02% (0.01022)	58.83th	v5 (v2026.06.15)
Mar 17, 2025	0.25% (0.00253)	46.66th	v4 (v2025.03.14)
Dec 12, 2024	0.26% (0.00258)	66.02th	v3 (v2023.03.01)
Feb 14, 2024	0.24% (0.00242)	63.29th	v3 (v2023.03.01)
Sep 14, 2023	0.22% (0.00223)	59.98th	v3 (v2023.03.01)
Aug 7, 2023	0.22% (0.00216)	58.78th	v3 (v2023.03.01)
Mar 7, 2023	0.21% (0.00206)	56.72th	v3 (v2023.03.01)
Mar 6, 2023	1.14% (0.01136)	59.45th	v2 (v2022.01.01)
Oct 18, 2022	1.14% (0.01136)	58.28th	v2 (v2022.01.01)
Apr 1, 2022	1.14% (0.01136)	56.27th	v2 (v2022.01.01)
Feb 4, 2022	1.14% (0.01136)	34.23th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (3)

http://secunia.com/advisories/24812
third-party-advisoryx_refsource_SECUNIAVendor Advisory
http://www.securityfocus.com/bid/23363
vdb-entryx_refsource_BID
https://exchange.xforce.ibmcloud.com/vulnerabilities/33501
vdb-entryx_refsource_XF

Link	Providers	Tags
http://secunia.com/advisories/24812		third-party-advisoryx_refsource_SECUNIAVendor Advisory
http://www.securityfocus.com/bid/23363		vdb-entryx_refsource_BID
https://exchange.xforce.ibmcloud.com/vulnerabilities/33501		vdb-entryx_refsource_XF

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Apr 12, 2007

Updated Aug 7, 2024

Reserved Apr 11, 2007

Link CVE-2007-1991

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2007-1991

Red Hat

Severity n/a

Public date n/a

Links CVE-2007-1991