CVE-2026-25237

moderate-risk
Published 2026-02-03

PEAR is a framework and distribution system for reusable PHP components. Prior to version 1.33.0, use of preg_replace() with the /e modifier in bug update email handling can enable PHP code execution if attacker-controlled content reaches the evaluated replacement. This issue has been patched in version 1.33.0.

Do I need to act?

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0.12% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Pearweb

Affected Vendors

Pear

References (1)

Vendor Advisory https://github.com/pear/pearweb/security/advisories/GHSA-vhw6-hqh9-8r23
38
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal