CVE-2026-25688
CVE-2026-25688 is a medium-severity vulnerability in Apache Answer with a CVSS 3.x base score of 6.1. 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-87.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- EPSS exploit prediction: 0% (33rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-35367
- Weakness: CWE-87
- Affected product: Apache Answer
- Published:
- Last modified:
Description
Improper Neutralization of Alternate XSS Syntax vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. AI-generated response content was rendered in the browser without proper sanitization, allowing malicious scripts to be executed when the content was viewed. Users are recommended to upgrade to version 2.0.1, which fixes the issue.
Frequently asked questions
- What is CVE-2026-25688?
- Improper Neutralization of Alternate XSS Syntax vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. AI-generated response content was rendered in the browser without proper sanitization, allowing malicious scripts to be executed when the content was viewed. Users are recommended to upgrade to version 2.0.1, which fixes the issue.
- How severe is CVE-2026-25688?
- CVE-2026-25688 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2026-25688 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-25688?
- CVE-2026-25688 affects Apache Answer. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-25688?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-25688 have an EU (EUVD) identifier?
- Yes. CVE-2026-25688 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35367.
- When was CVE-2026-25688 published?
- CVE-2026-25688 was published on 2026-06-09 and last updated on 2026-06-17.
References
- https://lists.apache.org/thread/x42joj43rqb38ms5q60f7bgq3qbo7t5q
- http://www.openwall.com/lists/oss-security/2026/06/09/7
Affected products (1)
- cpe:2.3:a:apache:answer:*:*:*:*:*:*:*:*
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