How severe is CVE-2007-5899?

CVE-2007-5899 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2007-5899 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-5899?

CVE-2007-5899 affects Php. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-5899?

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

When was CVE-2007-5899 published?

CVE-2007-5899 was published on 2007-11-20 and last updated on 2026-06-16.

CVE-2007-5899

CVE-2007-5899 is a medium-severity vulnerability in Php 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Php
Published: 2007-11-20
Last modified: 2026-06-16

Description

The output_add_rewrite_var function in PHP before 5.2.5 rewrites local forms in which the ACTION attribute references a non-local URL, which allows remote attackers to obtain potentially sensitive information by reading the requests for this URL, as demonstrated by a rewritten form containing a local session ID.

Frequently asked questions

What is CVE-2007-5899?: The output_add_rewrite_var function in PHP before 5.2.5 rewrites local forms in which the ACTION attribute references a non-local URL, which allows remote attackers to obtain potentially sensitive information by reading the requests for this URL, as demonstrated by a rewritten form containing a local session ID.
How severe is CVE-2007-5899?: CVE-2007-5899 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2007-5899 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-5899?: CVE-2007-5899 affects Php. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-5899?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-5899 published?: CVE-2007-5899 was published on 2007-11-20 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:php:php:*:*:*:*:*:*:*:*

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Threat intelligence

Threat-intel indicators referencing this CVE:

222.99.52.202 (ipv4-addr)
90.160.135.217 (ipv4-addr)
62.36.19.42 (ipv4-addr)
62.36.19.41 (ipv4-addr)