How severe is CVE-2025-48882?

CVE-2025-48882 has a CVSS 4.0 base score of 8.7, rated high severity.

Is CVE-2025-48882 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-48882?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-48882 have an EU (EUVD) identifier?

Yes. CVE-2025-48882 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16521.

When was CVE-2025-48882 published?

CVE-2025-48882 was published on 2025-05-30 and last updated on 2026-06-17.

CVE-2025-48882

CVE-2025-48882 is a high-severity vulnerability with a CVSS 4.0 base score of 8.7. 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-611.

Key facts

Severity: High (CVSS 4.0 base score 8.7)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-16521
Weakness: CWE-611
Published: 2025-05-30
Last modified: 2026-06-17

Description

PHPOffice Math is a library that provides a set of classes to manipulate different formula file formats. Prior to version 0.3.0, loading XML data using the standard `libxml` extension and the `LIBXML_DTDLOAD` flag without additional filtration, leads to XXE. Version 0.3.0 fixes the vulnerability.

Frequently asked questions

What is CVE-2025-48882?: PHPOffice Math is a library that provides a set of classes to manipulate different formula file formats. Prior to version 0.3.0, loading XML data using the standard `libxml` extension and the `LIBXML_DTDLOAD` flag without additional filtration, leads to XXE. Version 0.3.0 fixes the vulnerability.
How severe is CVE-2025-48882?: CVE-2025-48882 has a CVSS 4.0 base score of 8.7, rated high severity.
Is CVE-2025-48882 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-48882?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-48882 have an EU (EUVD) identifier?: Yes. CVE-2025-48882 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16521.
When was CVE-2025-48882 published?: CVE-2025-48882 was published on 2025-05-30 and last updated on 2026-06-17.

References

Other CWE-611 (Improper Restriction of XML External Entity Reference (XXE)) vulnerabilities

CVE-2022-22486 — Critical (CVSS 10.0): IBM Tivoli Workload Scheduler 9.4, 9.5, and 10.1 is vulnerable to an XML External Entity Injection (XXE) attack when…
CVE-2019-14678 — Critical (CVSS 10.0): SAS XML Mapper 9.45 has an XML External Entity (XXE) vulnerability that can be leveraged by malicious attackers in…
CVE-2015-9280 — Critical (CVSS 10.0): MailEnable before 8.60 allows XXE via an XML document in the request.aspx Options parameter.
CVE-2018-1000838 — Critical (CVSS 10.0): autopsy version <= 4.9.0 contains a XML External Entity (XXE) vulnerability in CaseMetadata XML Parser that can result…
CVE-2018-1000837 — Critical (CVSS 10.0): UML Designer version <= 8.0.0 contains a XML External Entity (XXE) vulnerability in XML parser for plugins that can…
CVE-2018-1000835 — Critical (CVSS 10.0): KeePassDX version <= 2.5.0.0beta17 contains a XML External Entity (XXE) vulnerability in kdbx file parser that can…

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