How severe is CVE-2011-4541?

CVE-2011-4541 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-4541 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4541?

CVE-2011-4541 primarily affects Hastymail Hastymail2. In total, 28 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-4541?

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

When was CVE-2011-4541 published?

CVE-2011-4541 was published on 2011-11-29 and last updated on 2026-06-16.

CVE-2011-4541

CVE-2011-4541 is a medium-severity vulnerability in Hastymail Hastymail2 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: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Hastymail Hastymail2
Published: 2011-11-29
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in index.php in Hastymail2 2.1.1 before RC2 allows remote attackers to inject arbitrary web script or HTML via the rs parameter in a mailbox Drafts action.

Frequently asked questions

What is CVE-2011-4541?: Cross-site scripting (XSS) vulnerability in index.php in Hastymail2 2.1.1 before RC2 allows remote attackers to inject arbitrary web script or HTML via the rs parameter in a mailbox Drafts action.
How severe is CVE-2011-4541?: CVE-2011-4541 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-4541 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4541?: CVE-2011-4541 primarily affects Hastymail Hastymail2. In total, 28 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-4541?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4541 published?: CVE-2011-4541 was published on 2011-11-29 and last updated on 2026-06-16.

References

Affected products (28)

cpe:2.3:a:hastymail:hastymail2:*:beta1:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:*:beta2:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:*:beta3:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:*:rc1:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:*:rc2:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:*:rc3:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:*:rc4:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:*:rc5:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:*:rc6:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:*:rc7:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:*:rc8:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:*:rc9:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:1.0:*:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:1.01:*:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:1.1:rc1:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:1.1:rc2:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:2.0:*:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:2.0:a1:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:2.0:a2:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:2.0:b1:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:2.0:b2:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:2.0:b3:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:2.0:rc1:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:2.0.4:*:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail2:2.0.5:*:*:*:*:*:*:*

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