CVE-2010-4880 — Multiple cross-site scripting (XSS) vulnerabilities in calendar.class.php in ApPHP Calendar (ApPHP CAL) allow remote attackers to inject arbitrary web script or HTML via the (1) category_name, (2) category_description, (3) event_name, or (4) event_description parameter

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MEDIUM

Multiple cross-site scripting (XSS) vulnerabilities in calendar.class.php in ApPHP Calendar (ApPHP CAL) allow remote attackers to inject arbitrary web script or HTML via the (1) category_name, (2) category_description, (3) event_name, or (4) event_description parameter

Published Oct 7, 2011

4.3

MEDIUM

CVSS 2.0

EPSS 1.09%

Description

Multiple cross-site scripting (XSS) vulnerabilities in calendar.class.php in ApPHP Calendar (ApPHP CAL) allow remote attackers to inject arbitrary web script or HTML via the (1) category_name, (2) category_description, (3) event_name, or (4) event_description parameter.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.09% 0.01089

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

EPSS probability 0.01089

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 (10 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	1.09% (0.01089)	64.11th	v5 (v2026.06.15)
Jun 15, 2026	1.09% (0.01089)	60.90th	v5 (v2026.06.15)
Mar 17, 2025	0.25% (0.00254)	46.85th	v4 (v2025.03.14)
Dec 12, 2024	0.20% (0.00199)	58.77th	v3 (v2023.03.01)
Oct 26, 2023	0.20% (0.00199)	57.53th	v3 (v2023.03.01)
Mar 7, 2023	0.19% (0.00193)	55.26th	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 (1)

CWE-79

Cross-site Scripting (XSS)

References (3)

http://packetstormsecurity.org/1008-advisories/apphp-xssxsrf.txt
x_refsource_MISCExploit
http://securityreason.com/securityalert/8433
third-party-advisoryx_refsource_SREASON
http://www.securityfocus.com/archive/1/513445/100/0/threaded
mailing-listx_refsource_BUGTRAQ

Link	Providers	Tags
http://packetstormsecurity.org/1008-advisories/apphp-xssxsrf.txt		x_refsource_MISCExploit
http://securityreason.com/securityalert/8433		third-party-advisoryx_refsource_SREASON
http://www.securityfocus.com/archive/1/513445/100/0/threaded		mailing-listx_refsource_BUGTRAQ

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Oct 7, 2011

Updated Aug 7, 2024

Reserved Oct 7, 2011

Link CVE-2010-4880

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2010-4880

Red Hat

Severity n/a

Public date n/a

Links CVE-2010-4880