CVE-2022-4455

sproctor php-calendar index.php cross site scripting

MEDIUM
6.1
CVSS Score
Published: December 13, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 05:20 AM UTC
2 products affected across 2 vendorsPHP CalendarCalendar PHP Calendar

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

A vulnerability, which was classified as problematic, was found in sproctor php-calendar. This affects an unknown part of the file index.php. The manipulation of the argument $_SERVER['PHP_SELF'] leads to cross site scripting. It is possible to initiate the attack remotely. The name of the patch is a2941109b42201c19733127ced763e270a357809. It is recommended to apply a patch to fix this issue. The identifier VDB-215445 was assigned to this vulnerability.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2022-04-28
Affected range stops below 2022-04-28, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

VDB EntryTechnical DescriptionThird Party Advisory
https://vuldb.com/?id.215445
SignaturePermissions Required
Source: cverecord
https://vuldb.com/?ctiid.215445

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-707CWE-79CWE-94

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